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Each winter, millions of monarch butterflies migrate to the fir forests of Mexico's Central Highlands—walk among them, take photos, and listen to the air hum with the vibration of their wings!

  Photo departures available

6 Days / Dec–Mar / From $4195
Limited to 16 Travelers

A genuine once-in-a-lifetime experience! From our base on Holbox Island, snorkel off the Yucatan Peninsula with the largest fish on the planet—gentle 15-ton, 40-foot-long whale sharks!

6 Days / Jul–Aug / From $5495
Limited to 14 Travelers

Visit both sides of the wild Baja Peninsula as we cruise, kayak and hike among the gray whales and wildlife of Magdalena Bay and seek out blue whales in the Sea of Cortez from our expedition ship.

7 Days / Feb–Mar / From $5695

Come within arm's length of amiable Pacific gray whales and their calves, as these gentle giants birth and nurture their young in the warm Pacific waters of San Ignacio Lagoon.

6 Days / Feb–Mar / From $4595
Limited to 18 Travelers

An all-encompassing nature expedition through the jungle canals of Tortuguero to the misty cloud forests of Monteverde and Corcovado's wild beaches—Costa Rica's best flora and fauna immersion!

10 Days / Year-Round / From $7295 (+air)
Limited to ~10 Travelers

See another side of Costa Rica on this adventure into rain forests, mountains and coastlines well off the typical tourist track, and enjoy remote and authentic ecolodges en route.

  Photo departures available

8 Days / Nov–Apr / From $5995 (+air)
Limited to ~10 Travelers

A rain forest discovery for all ages! Choose from exciting activities like zip lining, horseback riding and float trips as you explore Costa Rica's tropical wild side.

Any Number of Days / Custom Dates / From $5095 Adult; $2795 Child

From rain forest birding to cloud forest trekking, jungle river running to tropical beach lazing, let us help craft your dream nature escape to Costa Rica!

Any Number of Days / Year-Round / From $5095

Look for monkeys, tropical birds and other jungle wildlife amid mountains and waterfalls, canoe subterranean caves, and snorkel from a private island over the world's second-longest barrier reef.

9 Days / Jan–Mar / From $7995 (+air)
Limited to 10 Travelers

Enjoy magical close encounters with enormous gray whales in the warm waters of the Baja Peninsula, which are their winter breeding and nursery grounds.

8 Days / Jan–Mar / From $5990

Discover coral reefs and Mayan ruins on an active sea-and-land adventure blending some of the very best nature and culture of Belize and Guatemala.

9 Days / Feb–Mar / From $5760

Explore tropical rain forests, wander pristine beaches, snorkel over colorful reefs, and cruise the legendary Panama Canal on this small-ship nature adventure.

8 Days / Dec–Mar / From $6170