A virtual city's worth of theatre buildings have been abandoned around the world - once centers of the arts, these now have other unique ghost stories to tell.

Some shipwrecks are simple, such as many with modern technology to track a vessel as it slowly sinks into the sea, but history has a great deal left unanswered.

Ever wonder what is inside that dark tunnel or deserted structure you pass on your way to work every day?

Since being decommissioned, many of these have gained strange second lives as everything from luxury resorts and private retreats to micronations and pirate radio stations.

These videos feature some of the more raw and original free runners who made this extreme urban sport what it is today.

The former Soviet Union has a complicated history that is told in part through some of its deserted infrastructure, from submarine bases to missile silos and more.

Have you ever wondered what really happened to that mall in The Blues Brothers or where Tarkovsky filmed those jarring and surrealistic scenes in Stalker?

Much of America's little-remembered history can be found in largely unknown structures scattered across the United States, some of which are silently falling apart.

The European Union may appear on the surface to be a unified body but underneath each member country retains a unique and complex history.

Dedicated followers of the series have slowly gathered and compiled data to compose a clearer picture of this fantastic island, cataloging locations in great detail.

There are amazing abandonments in America but the former Soviet Union has some of the most interesting, unique and strange abandoned buildings.

Imagine entire islands and vast building complexes eerily abandoned virtually in your own back yard. This seemingly far-fetched scenario might be more real than you realize.

Ever see an impressive derelict structure and wonder just how a building so elegant, sizable or centrally located could be abandoned?

Where was your absolutely favorite place to play as a kid?

Urban photography doesn't have to mean perfectly framed parks and stoic skyscrapers. Some of the best urban photos feature wonderful abandonments.