The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

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

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The world-record holder for the longest bridge stretching continuously over water.

The final resting place of the camel who served with the Confederate Army during the Civil War.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

What better place to take a seat?

A rusted metal giant pays tribute to Birmingham’s industrial past.

A miniature city built by a single hunchbacked monk.

This old school, eccentric, and independent video rental store refuses to die.

A statue honoring 44 continuous years of greeting passing ships.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

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

Georgia's highest point was given its strange name thanks to a simple translation error.

"X" marks the spot of an echo chamber in the middle of a plaza.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A man's home is his castle.