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

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

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

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Collection of vintage trailers double as hotel rooms.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

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

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

"A hideous albatross in the Hudson River Valley."

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.