This small New York museum celebrates the mountainous artwork of a Russian mystic.

Harlem park dedicated to compulsive hoarders killed by their own junk.

A chessmaster's dream destination.

Less a museum than a bizarre fantasy world created by artists and engineers.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

A floating museum that was sunk by a flood and left to rot in the tides.

Man-made geyser that rises to the exact height of the Gateway Arch.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

A vision of beautiful Hindu architecture in the middle of the American South.

Healing Springs that once ran red with soldiers' blood.

The beauty of urban decay, hiding some dark secrets.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Beside some power panels, a plaque celebrates the history of an alternate world.

Scattered around Atlanta are little doors with big charm.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

This angular brutalist playground turns playtime into modern art time.

Secret gardens just a few miles from downtown Atlanta.

This stone is a marker of one millionaire's personal vendetta against gravity.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

Tour the sci-fi-esque reality of governmental disease management.

3/4-scale model of the White House in Atlanta, Georgia.

The world's first time capsule lies behind a welded steel door in Atlanta.