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

The hidden offices underneath Memorial Bridge have been locked up since 1976.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

All that remains of a gigantic earth-moving machine.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

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

An office built to look like a giant basket.

A monument to the center of the North American continent may be off by a few miles.

The remnants of an early American attempt at missile defense.

They squeal, they nosh, they look like predators.

In paradise, feral pigs have claimed an island all to themselves.

One of the most accessible undersea plane wrecks in the world.