Hidden

A secret Virgin Mary tucked away on a Brazilian beach.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

This secret cemetery where no flag is allowed to fly holds the bodies of American soldiers convicted of heinous crimes during WWII.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

The attic of a four-century-old canal house hides a clandestine church.

This semi-hidden Manhattan restaurant is based out of a loading dock.

This haunting stone chasm is a hotbed of mossy rock and English legend.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.