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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

The modern birthplace of Irish freedom.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This beautiful, historic church looks like something out of a simpler past.

The hidden lair of an alchemist rediscovered in a 2002 flood.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

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

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

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

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