Boat down the New River through Belize City and lush jungle to the Lamanai ruins, walk through the rainforest canopy on bridges and cables suspended high in the trees, float through underground caves in Cayo, and see pyramids at the Caracol Mayan ruins.

Give back by volunteering in the rural community of Santos, where you will engage in service learning activities like painting a local school, planting a community garden, or simply picking up litter to beautify the natural landscape. Explore the great outdoors further by kayaking around Lake Arenal, then test the waters of nature's Jacuzzi at the nearby hot springs and learn how coffee gets from farm to table on our Bio Coffee Adventure.

See turtle nesting grounds, massive manatees and giant iguanas in Tortuguero, relax in hot springs and kayak on crystalline lakes in Arenal, and travel up to Monteverde to spot howler monkeys and colorful tree frogs hidden under a cover of clouds.

Jump from the Northern to the Southern Hemisphere in a second in Ecuador. Aside from the Mitad del Mundo monument marking the line of the equator, you can visit the hot springs of the Amazon Basin, the steaming volcano of Tungurahua, and the bubbling waterfall of el Pailon del Diablo—the Devil’s Cauldron. Between the hiking, climbing and swimming, this is one tour that will keep you on your feet.

Jump from the northern to the southern hemisphere in an instant at the equator monument in Quito, fly to San Christobal Island and swim among tropical fish, spot turtles, see penguins and explore lava tunnels as you island-hop through the Galapagos.

Discover the natural beauty and wonder of the American Southwest. Land in Las Vegas and travel to Zion National Park, Bryce Canyon and then hike the South Rim and watch the sun set over the spectacular Grand Canyon.

From the Jokulsarlon Glacial Lagoon to the Hellisheioi Volcanic Plateau, words cannot do justice to Iceland’s true beauty. As you walk amongst waterfalls and soak in the volcanic hot springs, you can’t help but appreciate this experience unlike any other.

South Korea’s capital city, Seoul, is a sprawling metropolis where ancient meets hyper-modern; Skyscrapers, high-tech subways and pop culture art installations juxtapose the prevalent Buddhist temples, palaces and street markets. Gyeongju, on South Korea's southeast coast, is known for its extensive historical and archaeological ruins. And Busan, a large port city in South Korea, is famous for its beaches, mountain vistas and humbling temples.