This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Ride the subways of yesteryear.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

One of the oldest of its kind.

A daily replay of the experiment that proved the rotation of the Earth.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

A legendary boxing venue and ring featured in Rocky V.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A rare view of a preserved Victorian science museum.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

Ancient pueblos built into the base of a natural canyon wall.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.