Its legacy as the former imperial capital of Vietnam is just one of many reasons to visit Hue. For more than a century, the emperors of the Nguyen dynasty (1802-1945) ruled from the Forbidden Purple City, the innermost enclosure of the citadel. Today, this complex is designated as a UNESCO World Heritage site and draws millions of visitors each year.

Bikini Atoll, a remote ring of islands in the Marshall Islands, is one of the most sought-after wreck diving locations in the world. These underwater sites are preserved in a time capsule-like state, providing a rare look at history submerged in a silent world of coral and marine life.

Vancouver Island, British Columbia, is a nature lover's paradise, offering a diverse landscape that ranges from rugged coastlines to lush rainforests. The island’s stunning natural beauty is best explored through its extensive network of parks and outdoor spaces, such as the iconic Pacific Rim National Park Reserve and Strathcona Provincial Park, British Columbia’s oldest provincial park.

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.

Sierra Leone, on the coast of West Africa, is a country of striking contrasts, where white-sand beaches meet green mountains and vibrant cities. Its Atlantic shoreline stretches for miles, offering quiet escapes as well as lively coastal communities.