All that remains of this Massachusetts town, demolished in the name of progress, is a stone marker.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

This locally-famous crevasse in New York State is icy all year round.

A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

The house where Rudyard Kipling wrote 'The Jungle Book' is also the location of the first tennis court in Vermont.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Books you don’t need in a place you can’t find.

A monument to the Mohawk people stands along an old Native American trade route.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Bizarre Cavern.

A classic roadside attraction on Vermont's historic Route 5.

Town of spiritualists and mediums in Florida.

This free, take-a-book shop seems like a trick but isn't.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

This beautiful arched gate is all that remains of the fortress the ancient mountaintop town of Amadiya once was.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

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.