This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

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.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

An artist's cute bronze subway sculptures belie his violent artistic past.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

Lie in a hammock where George Washington stood.

A bit of retro transportation flair preserved in the world's largest department store.

The first and only carousel with a lineup entirely of insects.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

One of only two commuter aerial tramways in the United States.

Read a book next to a Midtown waterfall.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A sharp bend in a dramatic river canyon cut through red rocks.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."