This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

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

The third-tallest lighthouse in the United States stands as a reminder of Atlantic City's early days.

War prevented this Polish composer's body from being returned to his home country for 51 years. Though his ashes eventually made it home, his heart stayed behind.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

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

The way these carnivorous dinosaurs are posed is an homage to a classic work of paleoart.

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

This colonial mansion has been home to a staggering number of American historic figures.

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.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

A museum of anything and everything Stooge.

Where the famed frontiersman was born, raised, and survived Quaker intrigue

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

A well-preserved example of an early industrial operation in the northeastern United States.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

A converted hangar displays dozens of helicopters, from a famous 1943 rescue chopper to several autogyros.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.