A historic and oft-filmed prison stands in a Chicago suburb.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

First planned industrial community in the United States.

A wonderland of caves in eastern Iowa.

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

See massive fossils that are over 200 million years old in northeastern Arizona.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The only diamond mine in the world where you can keep what you find.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

Shop of curiosities with a dinosaur museum tucked in its basement.