Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

This museum is rotten with a century of wax medical deformities.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

An alchemist's "magic door" stands in the middle of a Roman park.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Richard Luke Concanen never set foot on American soil.

This famous church is adorned by a mural commemorating the independence of Vatican City.

This hidden park hosts a rogue’s gallery of eccentric architectural obelisks.

From lefty Jewish gathering site to hip cultural site in just 80 years.

This indiscriminate collection of audio antiques is trying to preserve the history of the audio industry one vintage appliance at a time.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

A museum in a law office, filled with authentic and counterfeit goods.

A forest of phallic offerings found in a quiet corner of a hotel car park.

Derelict airplane bodies serve as both home and income for three Thai families.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Exotic, erotic, and esoteric, one artist's live-in Bali gallery brings a splash of color and madness to its surroundings.

This museum has a most unusual location: inside a giant, three-headed elephant.

This historic hotel invented the chocolate brownie.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.