Explore Baja, Mexico's Sea of Cortés on a small ship adventure cruise. Hike along cactus-clad rims. Snorkel with playful sea lions. Explore the remote corners of the Sea called the "world's aquarium" by Cousteau. Kayak along coastlines and explore remote, desert islands. Swim and snorkel with tropical fish. Take a skiff ride to search out whales, dolphins and other wildlife. Ride a mule into the arroyo with a local ranchero. Depending on the time of year, snorkel with gentle whale sharks or travel overland to Magdalena Bay to see gray whales and calves up close. The 84-guest Safari Endeavour sails in Mexico's Sea of Cortés from November to March. un-cruise.com/mexico-cruises Fly in and out of Cabo to begin a week of unforgettable exploration.