This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A stockpile of childhood lunch pails turned collectibles.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

A man's home is his castle.

Healing Springs that once ran red with soldiers' blood.

Scattered around Atlanta are little doors with big charm.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

An underground magnet for ever-changing street art.

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

This folk art compound was built by a fortune teller on the advice of three people from the future.

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

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

Ruins of a Carnegie family mansion on Cumberland Island.

The beauty of urban decay, hiding some dark secrets.

A bizarre roadside attraction and the first instance of miniature golf in the world.

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

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

Each step is a mere four inches tall, said to be measured by the stride of a woman wearing a hobble skirt.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.