Tulum: the pre-Columbian Mayan walled city is one of the best-preserved coastal Mayan sites

The Gods of Mount Nemrut – The most valuable monument of the Kingdom of Commagene

Ghost Town: Abandoned 40-years-ago, clothes are still on their hangers inside of closets

The Marble Caves in Chile: one of our planet’s most marvelous treasures

Ksar Ouled Soltane: 15th century granary used as a slave quarters in Star Wars: The Phantom Menace

The Canadian ghost town of Silver Islet, formerly the richest silver mine in the world

Paronella Park: The most magical place in the tropical jungle of Australia

Massachusetts’ Worcester State Hospital dates back to the 1830s and it was the state’s first