The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

Seven golden statues rise into the sky from sculptor Victor Victori's New Jersey front lawn.

An allegedly cursed tree represents a town's reckoning with a racist past.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

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

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

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

The final resting place of one of the United States's greatest poets.

Century-old shop, specializing in Occult products.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

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

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Frida Kahlo's childhood home, now a museum of her life and works.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

Meet some of the most prominent figures in Black history through life-sized wax models.

Once America's tallest structure, now a Baltimore landmark.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

This free, take-a-book shop seems like a trick but isn't.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.