A huge musical instrument played by the ocean.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A bloodstain from "the wound of the transverberation of the heart."

A display of magnificent stained glass windows is the first exhibit of its kind.

A Museum of Holography frozen in 1974.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

An unsettling shrine dedicated to the ravenous beast that prowled 18th-century France.

The world's largest reflecting pool is just two centimeters deep.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

A museum which takes visitors to the côté obscure of Paris.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

An architectural oddity of six stories, accessed by graceful ramps.

One of the world's most complex timepieces.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

There has been an astronomical clock on this spot since the 14th century.

Saintly bones pressed into a wax effigy of a Catholic superstar.

Museum in a swimming pool where the water still flows.