For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Hans Christian Andersen for the postmodern world.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

The Burnside Fountain and its questionable interpretation.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This little museum in the town where zombies were born celebrates the living dead.

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

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

The site of a tragic massacre that spawned a multimedia franchise.

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

The headquarters in Salem doubles as an occult art gallery.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.