The highest natural point in New York City and all of the Atlantic coastal plain.

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

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

This former water source for the City of Brooklyn is now a thriving natural wetland.

The oldest covered railroad bridge still standing in the United States.

This location of a Mexican chain restaurant has a unique location: an old jail.

The dress young Pierce wore prior to his breeching ceremony in the early 1800s is now on display for all to see.

Carved, egg-shaped stone with no explanation.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

The highest point in Washington state is a volcano covered in glaciers.

This water tower commemorates the invention of the transistor on this site in 1947.

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

Books you don’t need in a place you can’t find.

An icon among Florida's pre-Disney tourist attractions.

More than a century of radio history is told in these displays.

A former copper mine which became a truly unsuccessful prison.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

This stave church nestled in the Catskills was built in the 1960s by a community of Ukrainian immigrants and refugees.

This estate on the banks of the James River was home to a Founding Father, two presidents, a famous bugle melody, and what some say was the actual first Thanksgiving.

This simple Manhattan salt house is artfully shaped... well, like a giant granule of salt.

Take a step into the workshop where Edison and his employees revolutionized the world.

This historic sunny-yellow building has an unfortunate connection to the sinking of the Titanic.

These three lighthouses played a fundamental role in the maritime life of Eastham.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.