Architectural Oddities in Paris

This demon atop the Notre-Dame de Paris looks utterly bored.

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

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

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

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

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

One of the oldest masonic museums in Paris.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Abandoned railway line circling the city of Paris.

This bridge was constructed from the rubble of the infamous Bastille.