Scattered around Atlanta are little doors with big charm.

The beauty of urban decay, hiding some dark secrets.

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

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

Odd outsider art installations surround a Gold Rush-era ghost town.

A toxic ghost town sitting atop a massive coal fire.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Rippling sand dunes frozen in the Arizona rock.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

An abandoned asylum where patients have been forgotten but their possessions remain.

Ghost town with a beer-drinking goat for mayor.

The Grand Canyon of Texas.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Fantastic collection celebrating the final send-off.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

Continuing the tradition of the dime museum in style.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The coffin-shaped church was once home to monks who slept in coffins.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

Tucked away atop a quaint Alabama pharmacy is this tiny display of antique medical tools.

One part local history, 99 parts gruesome haunted house.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This small museum displays a collection of outsider art and scale models of past "treatments" for mental illness.