Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A winding district gerrymandered into the shape of a mantis.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

Please don’t anchor your boat onto the Department of Defense’s underwater data cables.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The only arched bridge made of stone on the entire Mississippi River.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

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

A mechanized clock where a man fights off a dragon, crab, and rooster.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

A surrealist timepiece by the artist of melting clocks.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The celebrated eyesore created by starry-eyed sweethearts.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

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

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

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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