The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

This modern arts center is built around a gem of late-Baroque architecture.

The Devil’s own choice when he needs a drink in Brussels.

Cozy basement bar sports an inventory of over 2,000 beers.

The tomb of history's greatest potato promoter is surrounded by tubers.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

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

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A French artist's vague warning hangs over Belleville.

Former hunting lodge of a duke who was an avid collector of impressionist works.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

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

An unusual number plate signifies the building's saucy past.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

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

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

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

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.