A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

West Point’s only monument to a woman veteran stands above an empty grave.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

This aging storage facility is the world's largest brick warehouse.

The red letters in the literary pavement leading to the library form a mysterious code.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

An abandoned Cold War missile radar site.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

This enchanting hamlet carved into the rock looks like something straight out of Tolkien's Rivendell.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

The 606 is a decade in the making.

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