Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

These boots are made for selfies.

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

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

The small cave that housed Tennessee's "first citizen."

Buy a token from the liquor store and you can make this beast spew flames on command.

This small fort played a huge role defending Puerto Rico’s capital city.

Legend has it this historic port was a popular hideout and smuggling spot for pirates.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

One of the oldest living oak trees in the Southeast.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

A quintet of history museums make this Virginia graveyard as much a resting place for funereal history as it is for people.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

This fountain was commissioned by a mother grieving over her son's passing.

A collection of huge Pre-Colombian structures in Alabama.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.