This recessed garden protects thousands of mountain plants by creating its own microclimates.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

The man who introduced reinforced concrete to the world demonstrated its genius by using it to build his own house.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

Ghosts of France's colonial past.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

Abandoned railway line circling the city of Paris.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

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

An odd museum dedicated to French fakes.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

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

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

Love is in the air along the small street in Brooklyn.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.