The summit Roosevelt conquered before he descended to become The Chief.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

A mysterious echo seems to defy the laws of acoustics.

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

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

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

A daily replay of the experiment that proved the rotation of the Earth.

Yo, Adrian!

Mysterious rocks that ring musically when struck.

Inside Crosswicks Creek Park resides an estate chronicling 200 years of history.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Along a busy beachfront strip you may hear Frank Sinatra singing from one boardwalk home.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

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

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

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

The rusting remains are visible sticking out of the waters of the Delaware Bay.

A unusual sanctuary for abused and exotic animals in South Jersey.

World War II bunker still standing on the New Jersey beach.

This Great Depression-era creation was once known as the strangest house in the world.

Step inside Lucy, the world's largest "elephant."

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.