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

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

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

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

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The highest peak in the state of Vermont has some interesting features.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The beautiful baroque library of the Hapsburg empire.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

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.

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