Funafuti Atoll, the capital of Tuvalu, is a narrow strip of land wrapped around a brilliant turquoise lagoon that stretches over 20 kilometers across. Despite being just 600 meters at its widest point, Funafuti is the heartbeat of the country, where government buildings, homes, schools, and the island’s only airport all coexist along sandy roads lined with coconut trees.

This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

Oman stands among the oldest independent states in the Arab world, with evidence of human habitation stretching back over 100,000 years. Its capital, Muscat, rises gently against limestone hills with no skyscrapers to interrupt its skyline. Visitors find broad avenues lined with stunning buildings leading to landmarks like the Sultan Qaboos Grand Mosque and the Royal Opera House, both offering glimpses into Omani artistry and modern elegance.

The South Sandwich Islands are among the most remote places on Earth, a chain of volcanic peaks rising from the Southern Ocean, over 1,300 kilometers southeast of South Georgia. With no permanent residents, no ports, and no infrastructure, these islands remain untouched by tourism in the conventional sense. What they offer instead is a rare glimpse into one of the planet’s most extreme and least disturbed environments.

Key Largo, the northernmost of the Florida Keys, is renowned for its pristine natural beauty and vibrant marine life. As part of the Florida Keys archipelago, Key Largo is a gateway to the spectacular underwater world of the John Pennekamp Coral Reef State Park, the first underwater park in the U.S. Here, visitors can explore vibrant coral reefs through snorkeling and scuba diving, or take a glass-bottom boat tour to marvel at the colorful marine ecosystems without getting wet.