This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A church dedicated to the Mexican skeleton saint.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Built in 1785, this residence is the oldest stone house in Georgia.

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

Two flush headstones mark the only known graves to be embedded in an airport runway.

This protected reserve is home to a rare and beautiful species of flower.

A mysterious inscription may hold a clue about the "Lost Colony" of Roanoke.

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.

Georgia's first brewery is also one of its oldest surviving buildings.

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

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

This kitschy tavern is also home to rare early editions of "Treasure Island."

Beneath the surface, something slithers. And if you find it, prepare to be slimed and glowing.

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

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

A white oak with property rights.

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

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