In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Listed on the National Register of Historic Places, Lahaina, Maui is the former capital of the Hawaiian Kingdom and was once the site of a whaling village. This popular tourist destination is now a cultural center perfect for fine dining, visiting Hawaiian art galleries, whale watching, and immersing yourself in this region's rich history.

Mexico City sits on the high plateau of central Mexico, layered with more than seven centuries of history and culture. Built atop the ruins of the Aztec capital Tenochtitlán, the city reflects a continuous dialogue between Indigenous foundations, Spanish colonial influence, and modern urban life.

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.

Sudan, located in northeastern Africa, is a country of diverse landscapes, from the vast Sahara Desert in the north to the fertile Nile Valley in the center. The Nile River, one of the world’s longest, runs through the country, shaping both its agriculture and history.