This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

A mega theme park-wax museum mélange containing all things biblical.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

A tribute to the furry local heroes who helped get residents through many tough times.

For a time this small Florida town of less than 1,000 residents was the national leader in dismemberment.

This now-deactivated naval base defended the Florida coast for centuries.

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

The only Florida state park with publicly accessible caves.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

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

Jacksonville's highways rendered this century-old grammar school unusable.

Ruins of a Carnegie family mansion on Cumberland Island.

Carved faces add a touch of magic to this island's impressive oak trees.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

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

An early-19th-century hotel with a past that is steeped in the Civil War.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

"We Seceded Where Others Failed."

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.