A muddy alien landscape that is home to rare species of exotic plants.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This snug medieval lane is one of the narrowest streets in the world.

A colorful square marks the heart of the city's LGBTQ community.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

This angular brutalist playground turns playtime into modern art time.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

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

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

One of the oldest living oak trees in the Southeast.

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

The pan man stands as a testament to the functionality of American cast iron cookware.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

The record holder for the world’s largest peach.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

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

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

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

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.