Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

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

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

It would be a crime to miss it.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The maritime museum that boasts the largest nautical library in the western hemisphere.

A museum dedicated exclusively to aircraft used in the military.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

This old-fashioned carhop restaurant gave the world the waffle cone.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

This shop for all your super spy needs hides an educational secret.

Even with its slightly risible name this colossal cross is still able to inspire awe.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

A chessmaster's dream destination.

An urban forest overtakes what was the greatest failure of utopic urban housing.