The "Seinfeld" diner.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

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

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

A hands-on traveling collection of the innovative devices of yesteryear.

A dilapidated dock tells the story of Titanic's missed arrival.

Try not to get slimed in Tribeca.

New York's oldest magic store.

Tucked in the back of this amazing antique store is an important piece of medical history.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

The sculpture shows a water rat turning the world upside-down, landing an elephant on its head.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

The site of the climactic scene from the classic horror film is now a historic landmark.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

All that's left of the quintessential "cabin in the woods."