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

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

This 13-foot smiling peanut in Georgia helped Jimmy Carter win the 1976 presidential election.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

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

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

A white oak with property rights.

A man's home is his castle.

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

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Ruins of a Carnegie family mansion on Cumberland Island.

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

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

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

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This black shoreline is made up of exploded lava particles.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.