Located in Australia lies a quirky underground town in the heart of the desert that is surrounded by gems worth millions. Known as the "Opal Capital of the World" Coober Pedy is a town and mining ...

London’s newest major tourist attraction will soon open in a sprawling network of World War Two tunnels. Built to shelter Londoners from German bombing raids during the Blitz, the mile-long ...

If you're looking for a place to snorkel in Kaua'i, head to Tunnels Beach (aka Makua Beach). Tunnels Beach is located on Ha'ena Point on Kaua'i's North Shore near Wainiha, about 2 miles east of ...

Big Bend Tunnel is a decommissioned tunnel on the mainline of the CSX Corporation's rail line through southern West Virginia west of Talcott, West Virginia. According to legend, folk hero John Henry ...