A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A world-class collection of mechanical musical instruments and automata.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

In the 19th century, this canal provided power to mills, machine shops, and other businesses in the area.

A billionaire heiress' menagerie of animals were lovingly laid to rest on the grounds of her former estate.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

One of the world's largest model railroads is a mind-boggling achievement.

Dedicated to a legendary spiritual vision.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

Mysterious rocks that ring musically when struck.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This jail which was in service for over a century is now open for curious visitors.

Designed by the company that provided water to the entire community.

The lasting remains of the region's once booming cement industry.

One of the first commercially successful anthracite-powered iron-making operations in North America.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

Dedicated to one of the most successful boxers to compete in the heavyweight division.