An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

"Holy Wisdom" overlooks the city that became its namesake.

A vast Communist-era exhibition space in the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

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

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

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

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

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

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

A statue honoring 44 continuous years of greeting passing ships.

Healing Springs that once ran red with soldiers' blood.

The highest bridge in America was built for an almost unnervingly small amount of money.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

A museum and shop on Bourbon Street located in the French Quarter.

The second oldest continuously operating bar in Louisiana.

The curiosities and wonders of pharmacy in a delightful historic building.