Tracy Arm, Alaska, is a breathtaking fjord nestled within the Tongass National Forest, offering a pristine wilderness experience unlike any other. Known for its towering cliffs, majestic waterfalls, and awe-inspiring glaciers, this natural wonder is a must-see for nature lovers and adventurers alike. As you cruise through the narrow, winding waterway, you’ll be greeted by stunning views of the Sawyer Glaciers, which periodically release enormous icebergs into the fjord.

Home of Mark Twain's boyhood home, Hannibal is a quaint Missouri town located on the Mississippi River and a popular stop for river cruises.

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.

Erfoud, a desert town in eastern Morocco, is often seen as the last stop before the endless dunes of the Sahara begin. But this oasis holds more than just a convenient location. Known as the "Gateway to the Desert," Erfoud is steeped in history that predates the modern borders of Morocco. It was once a French colonial outpost, and today, its dusty streets and adobe buildings offer a glimpse into a slower, older way of life that still shapes the region’s identity.

La Palma (also San Miguel de La Palma) is the fifth of Spain's Canary Islands. This mountainous volcanic island is a natural wonder of tropical vegetation. Its coast is lined by jagged cliffs and plunging ravines, and its beaches are covered with black sand. Thanks to dry climate and the height of its mountains creating excellent observation conditions, La Palma has become the home of some of the world's largest telescopes, seated on the rocky ridge called El Roque de los Muchachos.