Places plenaert Wants to Go

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

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

These quaint French houses dangle precariously over a precipice.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

What looks like a normal building is really a hollow facade hiding a subway vent.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

This abandoned church in central Lyon is missing its front stairs.

A small house sits between two huge rocks, with its back to the sea.

Was the twisted roof on this church's belltower an intentional design or a happy accident?

Beautiful carved tunnels.

A subterranean museum where mushrooms still grow in the tunnels of a centuries-old quarry.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

Limestone grottoes turns everyday objects into stone.

This garden houses the remains of the ancient Greek port of Marseille.

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

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

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

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

Two small chapels housed inside an ancient tree.

Medieval Danse Macabre Fresco in Northern Brittany.

A Gothic cathedral created from volcanic rocks.