A park where people have been going to feed friendly pigeons since the 18th century

A natural swimming pool in the middle of the Carite Forest.

This tiny home was originally a narrow alleyway.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This mundane shopping plaza is named after a gruesome piece of flotsam.

The colorful, smiling concrete silos of Vancouver.

This award-winning men's bathroom was just too beautiful to not allow women to see.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

"X" marks the spot of an echo chamber in the middle of a plaza.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The "Seinfeld" diner.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

The first of Lancaster's "rural cemeteries."

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The only pachinko parlor in the United States.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

A replica of where the Last Supper was held.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.