Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A 140-year-old castle with underground caves hidden in San Francisco.

A psychedelic labyrinth on the San Francisco bay.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

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

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Romania's triumphal arch looks out over Bucharest.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

This once-derelict building is now one of the most beautiful bookstores in the world.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

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

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

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

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

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

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

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

The curious underground history of keeping Paris clean.

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