The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

More than 200 unconventional musical instruments that anyone can play.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

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

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

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

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

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

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

One of the most scenic falls in Massachusetts has a history of death and grim legend.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over 50 whirling pools left behind from the glacial age.

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.

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.

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