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

6 Days / Jan – Mar, From $3795

Witness millions of butterflies during their winter migration to the highlands of Mexico. Capture superb photos with tips from our expert photographer guide.

6 Days / Jan – Feb, From $4495

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 / Mar, From $5495

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 $3995

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 $4595

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

Explore the "world's aquarium" as we cruise, kayak and snorkel clear waters filled with a dazzling array of marine life—whales, rays and 900 fish species! 

8 Days / Mar – Apr, From $6380