Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

One of San Cristobal Island's most popular visitor sites is Cerro Brujo, with its expansive white sand beach and a lagoon that locals once used as a salt mine but now offers excellent snorkeling opportunities. Another must-see is Kicker Rock, a fascinating rock formation that looks like a boot from one angle (hence its English name) and like a sleeping lion from another (thus its Spanish name, Roca León Dormido).

Argostoli sits on the west coast of Kefalonia, Greece’s largest Ionian Island, where a natural harbor meets the Koutavos Lagoon and a waterfront lined with cafés, tavernas, and shops. As the island’s capital, Argostoli blends everyday island life with moments of surprise, from sea turtles surfacing by fishing boats at dawn to historic sites hidden among palm trees and pedestrian streets.

Copper River, Alaska's fourth largest river travels from the dry interior climate to the temperate rainforest along Prince William Sound.

Hvar is a resort town and island off the coast of Croatia. A tourist destination with spectacular views of the Adriatic Sea, Hvar is popular for its beaches and is a favorite port for yacht cruises.