Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A Beaux-Arts triumph set to become Ford's innovation campus

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A Japanese corporation has turned this small island town into living modern art gallery.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A mecca for India's Jains.

The stately remains of Llywelyn the Great's mighty fortress.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

A pagan tradition of draping trees with rags eerily lives on.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A tunnel of hardened lava along Maui’s famous Road to Hana.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

Six beautiful wooden giants are hidden around Copenhagen.

Lithuania's outdoor sculpture trail of wooden folk art.

The palace of the King of Kings, burned by Alexander the Great.

The monster at the center of the Darwin Center Spirit Collection.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

This psychedelic tourist trap is a leisurely descent into madness.