A Romanesque tower appears when water levels drop.

Village situated on a narrow volcanic escarpment.

Wonderland replication in progress by one persistent man.

Religious dwelling in a Spanish volcano.

A pastry shop specializing in Sephardic sweets serves historic recipes in Ribadavia’s Jewish quarter.

A darkly erotic open-air statuary in Catalonia.

This overlooked museum houses an amazing collection of rare, antique typewriters.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Artist's eccentric property excessively decorated with found objects and work of his own.

This mosque was based on Sub-Saharan Islamic architecture and created for the Senegalese Tirailleurs.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

Buddha and Jesus tower over this French mountainside headquarters of the Aumism religious cult.

One man's desire to transcend art led to the construction of this outsider chapel.

An often-shuddersome journey into a low-tech, robotic themepark.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

Longest canal tunnel in the world, abandoned in the 1960s.

A miniature diorama that recounts the brilliant stories of author and filmmaker Marcel Pagnol.

The home where the famous astrologer wrote some of his most telling prophecies.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

The world's tallest bridge is also possibly the most elegant.

100-windowed castle turned art gallery, built by one dedicated mason.

The remains of centuries of copper mining appear like an alien landscape.