The walls of this small village have been turned into a living street art gallery.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This abandoned five-star hotel is now a five-star urban exploration destination.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

Houses are tucked between, on, and underneath giant boulders.

This folk museum is devoted to small figurines of provincial village life.

The decaying remains of a once-luxurious Soviet spa town.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

An abandoned saucer-shaped monument in the Bulgarian mountains.