This retro, UFO-like structure is a remnant of the Soviet-era circus.

Where Venice's gondolas go for a tune-up.

This tiny square mile of Canadian sand was once considered the world's smallest desert.

This decommissioned DC-3 now forever points into the oncoming wind.

When the big city meets the edge of the frontier, log skyscrapers are born.

Ruins of a Carnegie family mansion on Cumberland Island.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

The most loyal of little dogs, or a Victorian era publicity stunt?

A sweet symbol marks the place where torturous executions were once carried out.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A little piece of Paris in the sultry south of the U.S.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Venice's island of the dead.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

This ancient city—home to nine civilizations—is soon to be buried under 200 feet of water.

Over the dunes of the Empty Quarter, the mysterious music of the desert.