A dormant lightning machine equal to all the power in Russia.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

An eerie, derelict amusement park in Berlin.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A once-luxurious, now abandoned hotel in the Italian Alps.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

The crumbling remains of a 19th century fortess.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents

This 16th-century monastery has been turned into a surrealist architecture compound.

An unfinished complex built for children from around the world sits abandoned on the Black Sea coastline.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

An abandoned 18th century manse looks like something out of an Indiana Jones movie.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

When this test site was abandoned, they didn't even bother to take the rocket with them.

If astronomy had a ghost, it would look like this observatory.

An urban laboratory.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.