A collection of intricate sculptures so small they have to be seen through a microscope.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Iceland's only steampunk shop imagines a retro-futuristic world that never was.

A bike train runs along a disused railway line through the tranquil French countryside.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

A collection of over 15,000 zines works to preserve DIY publishing culture.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Russia's giant concrete QWERTY keyboard is likely the largest in the world.

A serene garden path lined with 36 haiku stamped into clay stones.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

The two-cell building in Nebraska was briefly owned by a teenage boy and then a Hollywood dummy.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.