Outsider Architecture

A unique underground structure dating back to the 1st century BC.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

Record-holding coffin moonlights as an eatery run by undertakers.

An underground city of salt.

Living trees form the structure of an open-air palace.

The Gaudí-inspired building that was the start of Terrassenc modernism.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

An old slave lookout in Cuba's historic sugar cane fields.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

An impressive home made of stone, carved more than a century ago.

An art museum with an eclectic design and a scandalous past.

The world's smallest drawbridge.