Mount Kenya, the majestic volcanic mountain located in central Kenya, is a natural wonder that captivates visitors with its dramatic landscapes and rich biodiversity. As Africa's second-highest peak, standing at 5,199 meters (17,057 feet), Mount Kenya offers an array of trekking routes that lead adventurers through lush forests, alpine meadows, and glacial valleys.

Inyeug, more commonly known as Mystery Island, is a tiny, uninhabited islet off the coast of Aneityum in Vanuatu’s southernmost province. Measuring just 1.5 kilometers long, the island is completely free of roads, shops, and electricity. What it offers instead is pure seclusion and untouched beauty. Cruise ships often anchor offshore, bringing day visitors to its white-sand beaches and shallow coral lagoons, but once they depart, the island returns to stillness.

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.

This coastal route runs between the Gulf of Alaska and Puget Sound, and is a popular route for cruise ships. Cruise passengers can expect to see a breathtaking amount of wildlife, as well as Ketchikan, Wrangell, Prince of Wales, Sitka, Juneau, Haines, Skagway and Glacier Bay.

Nestled in the scenic Borgarfjörður region of Iceland, Reykholt is a quaint village steeped in historical significance and natural beauty. While it is well known as a center of learning and culture during the medieval period, Reykholt is also famed for its stunning landscapes and geothermal activity. The town's nearby hot springs, including the historic Snorralaug, a medieval bathhouse, offer a unique opportunity to soak in waters that have been enjoyed for centuries.