The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The world’s first penitentiary, meant to be humane, drove men insane.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The "Seinfeld" diner.

Try not to get slimed in Tribeca.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

One tree's homage to soles past and present.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A medical facility that has been kept frozen in time.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.