This Old Testament garden features 100 plants from biblical times.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Hot springs monkey spa in the middle of Hell's Valley.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

A 16th-century horror show built in a lovely Italian garden.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A mysterious castle built as a monument to lost love.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Mausoleum and Holy Seat of Antiochus I of Commagene.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.