Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

A decommissioned submarine base makes a great space for graffiti art.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

Retirement home for giant obsolete machines.

A former ironworks that was the first UNESCO industrial site.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

The Avenue of Mausolea is a series of grand palatial tombs.

Stalin's secret bunker.

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

Immortal combat in a Moscow museum.

Museum celebrating the achievements of the Soviet space program.

Largest lake in Great Britain measured by surface area.

Built to hold the worst of the worst of the Nazi war prisoners.

Abandoned Soviet base once stocked with short and medium range missiles pointed at western Europe.

A castle perched precariously over the Crimean Sea.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

In the land of the Light Brigade stands a testament to the Cold War.

Infamous and now demolished panopticon prison built by its former inhabitants.