The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

According to the experts at the Guinness World's Record office, this is the longest candy counter in the world.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This supermarket is suspended 25 feet above an interstate highway.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.