The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

Huge masonic hall in Philadelphia with lavishly themed rooms.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This riverside restaurant has been serving customers since 1146.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A mocking tribute to the past and modern leadership of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

This spooky statue sits outside a famous Prague theater.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The site of Paul Revere's historic two lantern warning.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Dedicated to one of the darkest moments in Irish history.

An abandoned relic of the city's failed experiment with below ground transit.

The exterior of this home was used for the hit television show, The Brady Bunch.