A sculpture serving as an homage to Pope John Paul II.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

Catacombs turned marketplace.

William Faulkner kept his beloved estate wild and untamed.

The world's longest known cave system.

This open air cathedral invites all faiths to worship under the only roof big enough to fit them all: the sky.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Man-made geyser that rises to the exact height of the Gateway Arch.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Less a museum than a bizarre fantasy world created by artists and engineers.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

Commonly acknowledged as the only public monument to the Devil himself.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.