Niagara Falls, New York, is home to one of the most powerful natural spectacles in North America. More than 3,000 tons of water pour over the edge every second, creating a thunderous roar and a rising mist that can be felt from blocks away. Visitors can stand just feet from the American Falls at Prospect Point or take the iconic Maid of the Mist boat tour, which has operated since 1846 and now features all-electric vessels.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.

Sukhothai, located in north-central Thailand, was once the capital of the first independent Thai kingdom in the 13th century. Today, it’s best known for the Sukhothai Historical Park, a UNESCO World Heritage Site filled with stone temples, lotus-filled moats, and ancient Buddha statues. The park spans over 70 square kilometers and features more than 190 ruins.

Whether exploring volcanic trails or relaxing in seaside hot springs, Hachijo Jima provides an unforgettable island experience that feels worlds away from Japan’s major cities.

Located off the coast of Ecuador, Floreana Island is one of the Galápagos Islands and a popular stop for gazing at a variety of wildlife, including Galápagos tortoises and flamingoes. Post Office Bay is home to the island chain's first post office site, originally established by visiting whalers in the 18th century. Though one of the smallest islands in the Galápagos, Floreana is well worth the trip!