This 50-foot rock formation looked like a face that was once believed to be that of a Native American chief.

It's not a typo, now say it five times fast!

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

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.

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

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The world's longest known cave system.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The homestead of American patriot John Adams.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An enormous, inside-out glass globe built in 1935.

A beautiful Victorian-era cemetery, complete with a miniature village.

The world's largest piece of copyrighted artwork.