New Hampshire's first neighborhood is now preserved as a historic village with live action role players.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

In 1777, two men were killed after being struck by lightning at the same time.

This sprawling art park is filled with sculptures, nature trails, and art workshops.

These disused steel furnaces are now haunting ruins that may one day be a national park.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

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

Beautiful steampunk ghosts of early Massachusetts.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

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.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

Why have you never heard of the second most popular tourist site in New York?

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The Vermont square that inspired Shirley Jackson's "The Lottery."

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

Two mermen, eternally spitting into each other's mouths.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

A monument to the military service of America's greatest traitor refuses to even name him.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.