The walls of America's oldest masonry fort famously "swallowed" cannonballs.

It's a pretty creepy lock-up.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Paths are maintained, but trees have taken over plots.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Born from segregation and exclusion, Durham’s Black Wall Street is now a living reminder of the city’s past

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

A bizarre roadside attraction and the first instance of miniature golf in the world.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

A former taxidermist has turned his old shop into a folk art mecca.

A monument celebrating the idea of reaching inaccessible places.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.