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Wildlife Wonders of Yellowstone National Park

October 9-13, 2025

October is an excellent time to visit Yellowstone National Park. Summer crowds are almost entirely gone so it’s much easier to find solitude in America’s first national park. As fall progresses, bison and elk herds gather in the lowlands to build fat reserves for the coming winter. Grizzly and black bears are still active, with […]

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Magical Mexico: Mérida

October 29 - November 4, 2025

Spirit of the Yucatán: A Día de los Muertos Journey through Mérida Denver Botanic Gardens and Reefs to Rockies invite you to uncover the vibrant traditions and breathtaking beauty of Mérida during Día de los Muertos. This curated adventure weaves together the heartfelt rituals of the celebration with immersive experiences in arts, cuisine, and history, […]

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Botanical Wonders of Chile with Denver Botanic Gardens

December 2-10, 2025

TRIP OVERVIEW Chile’s Southern Patagonia is the last frontier of the American continent—a land of wind, wilderness, and stunning landscapes. During this botanical expedition, led by two experts in the field, we’ll have the opportunity to explore everything from temperate rainforests of the Lakes District to the rugged steppe of Torres del Paine, discovering a […]

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Winter Raptors & Wildlife Weekend at Southern Plains Land Trust

January 9-11, 2026

There’s something undeniably wild about winter on Colorado’s southeastern plains. Wide-open skies stretch over golden grasses, and sharp-eyed raptors perch vigilantly on fence posts, utility poles, and prairie knolls. Join Reefs to Rockies and the Southern Plains Land Trust (SPLT) for a winter wildlife safari into the windswept grasslands of Bent County, where the interplay […]

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Birds and Butterflies of Central Mexico

January 10-17, 2026

Every winter, millions of monarch butterflies transform the montane cloud forests of central Mexico into a breathtaking spectacle. The Monarch Butterfly Biosphere Reserve is one of nature’s greatest shows—a once-in-a-lifetime experience for any wildlife enthusiast. But the magic doesn’t stop there. Central Mexico also boasts world-class birding, from the urban oases of Mexico City to […]

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Monarch Butterflies Through the Lens: A Mexico Photo Expedition

January 11-17, 2026

Every winter, millions—perhaps a billion—monarch butterflies descend upon the cool, high-altitude cloud forests of central Mexico, transforming the landscape into one of the world’s most breathtaking wildlife spectacles. When they take flight in great numbers, the soft, rhythmic fluttering of wings mimics the sound of gentle rain. Trees bend under the sheer weight of clustered […]

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Mexico’s Monarch Butterflies and Magical Cities w/ Butterfly Pavilion

January 19-24, 2026

Venture into the heart of central Mexico’s enchanting montane fir forests, where the Monarch Butterfly Biosphere Reserve hosts one of the planet’s most awe-inspiring wildlife phenomena. Here, millions of vibrant monarch butterflies gather each winter, transforming the landscape into a living mosaic of orange and black. Witness the breathtaking spectacle as their delicate wings flutter […]

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Magical Mexico with Denver Botanic Gardens

January 24-30, 2026

Immerse yourself in the vibrant heart of Mexico, where art, history, and nature collide in a journey unlike any other. From the charming streets of Coyoacán and the intimate world of Frida Kahlo to the breathtaking expanse of the Zócalo, Mexico City’s rich cultural tapestry comes alive. Marvel at the ancient grandeur of Teotihuacan from […]

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Birding & Beers in South Texas

February 6-9, 2026

There’s a reason the Lower Rio Grande Valley of far southern Texas is considered one of the country’s premier birding destinations. This remarkable region, where several major biomes converge and over 500 bird species have been recorded, is home to dozens of vibrant regional specialties found nowhere else north of the U.S.–Mexico border. We’re talking […]

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In Search of Whales: Baja Sur, Mexico

February 7-14, 2026

Trip Overview Stretching 800 miles south from California, the rugged and remote Baja California Peninsula is where desert landscapes meet the deep blues of the Pacific Ocean and the Sea of Cortez—waters teeming with life and wonder. These nutrient-rich seas serve as a seasonal sanctuary and migration corridor for some of the ocean’s most awe-inspiring […]

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Yellowstone in Winter – A Photo Expedition

February 17-22, 2026

Yellowstone in winter is like nowhere else on Earth. Snow softens the valleys, steam rises from geysers, and the usual crowds are gone—leaving the park’s iconic wildlife as the main attraction. Bison plow through drifts with frosted beards, wolves pad across the Lamar Valley, otters slip between icy banks, and eagles soar against crisp blue […]

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Birding the Rio Grande Valley of Texas

March 4-8, 2026

For birders, few places in North America offer the vibrant diversity found in the Lower Rio Grande Valley of South Texas. This uniquely rich region hosts an extraordinary array of bird species, many of which are found nowhere else in the United States. From vibrant green jays to talkative great kiskadees to skulking clay-colored thrushes, […]

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Spring Magic in Nebraska 2026

March 18-22, 2026

  An American Serengeti Series Trip Collaboration with Denver Audubon Society Some people regard Nebraska as flyover country – a state to be missed as you move from one coast to the other. We wholeheartedly disagree. Every March, Nebraska becomes home to one of the greatest wildlife spectacles in North America. More than half a […]

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Spring Magic in Nebraska 2026

March 24-28, 2026

An American Serengeti Series Trip Collaboration with Front Range Birding & Optics Some people regard Nebraska as flyover country – a state to be missed as you move from one coast to the other. We wholeheartedly disagree. Every March, Nebraska becomes home to one of the greatest wildlife spectacles in North America. More than half […]

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Spring Magic in Nebraska with Birding & Beers

March 30-April 1, 2026

An American Serengeti Series Trip Collaboration with Birding & Beers Some people regard Nebraska as flyover country – a state to be missed as you move from one coast to the other. We wholeheartedly disagree. Every March, Nebraska becomes home to one of the greatest wildlife spectacles in North America. More than half a million […]

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Snow Leopards & Tigers: India’s Ultimate Big Cat Quest

April 4-20, 2026

Trip Overview India, a country renowned for its rich biodiversity and stunning landscapes, is home to some remarkable big cats, including the snow leopard and the Bengal tiger. Ladakh, located in the far north of India, is prime snow leopard habitat. Surrounded by some of the world’s greatest mountain ranges, this former Tibetan Buddhist kingdom […]

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Rainforest Light: A Costa Rica Photo Expedition

April 5-16, 2026

Costa Rica is where Reefs to Rockies got its start—and for good reason. Few places on Earth pack as much biodiversity into such a small space. From mist-draped cloud forests to steamy lowland jungles, this vibrant country pulses with life at every turn. Scarlet macaws screech overhead, red-eyed tree frogs cling to leaves like living […]

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Colorado Spring Magic Safari

April 9-13, 2026

Every spring, the sagebrush plains of Northwest Colorado burst to life, shaking off the chill of winter with an explosion of wildlife activity. At first glance, these rolling landscapes might seem quiet and repetitive—but look closer, and you’ll discover a thriving ecosystem packed with iconic species like elk, pronghorn, wild horses, mountain lions, beavers, cranes, […]

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Patagonia Puma Quest

April 19-24, 2026

Chile’s Southern Patagonia is often called the last frontier of the Americas — a dramatic land of wind, wilderness, and sweeping landscapes. April, when autumn colors set Torres del Paine ablaze, is one of the best times of year to be here. The season’s crisp light and golden hues make for spectacular photography and create […]

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Ohio

Magee and Beyond: Spring Birding in Northern Ohio

May 6-10, 2026

Every spring, the southern shore of Lake Erie becomes one of the most extraordinary birding destinations in North America. Woodlots, wetlands, and lakeside habitats draw in a dazzling array of migrant songbirds, many of them on their way to breeding grounds farther north. For a few brief weeks in May, warblers and other species gather […]

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Svalbard in Spring: Arctic Wildlife and Ice Frontiers

May 17-24, 2026

Trip Overview There is no place on Earth like Svalbard in the spring. Here, in the High Arctic, the long polar night has just lifted, revealing a world reborn in snow and silence. Ice-choked fjords, wind-swept plateaus, and glacial peaks stretch toward the horizon, still cloaked in winter’s grip. And with the return of the […]

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Into The Heart Of The Pantanal Of Brazil

May 31 - June 6, 2026

Reefs to Rockies invites you on an unforgettable journey deep into Brazil’s Pantanal, the world’s largest tropical wetland and one of the most biodiverse regions on Earth. This immersive adventure showcases three distinct regions of the Northern Pantanal: the quiet beauty and community life along the Mutum River, the vast cattle ranchlands of the Transpantaneira, […]

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Birding & Beers Safari Through Wyoming and South Dakota

June 27-30, 2026

The western edge of the Black Hills often goes overlooked, and that’s exactly why we love it. Far from the crowds, this quiet corner of northeastern Wyoming offers some of the best prairie and sagebrush birding in the region, with rolling grasslands, big skies, and abundant wildlife. This is our favorite stretch of the Black […]

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Wild Zimbabwe: Victoria Falls and Hwange National Park

December 4-12, 2026

Reefs to Rockies invites you on an unforgettable journey through the heart of wild Zimbabwe. From the thundering spectacle of Victoria Falls to immersive experiences in Hwange National Park—Zimbabwe’s largest and most diverse wildlife haven—this safari adventure combines conservation, community, and breathtaking encounters with nature. This thoughtfully curated journey goes beyond traditional safari. You’ll travel by […]

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