This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Why have you never heard of the second most popular tourist site in New York?

Fossilized sea bottom and lime quarry.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

Hidden behind a Target are pillows of cooled lava that formed at the bottom of a deep lake in the Mesozoic Era.

A monument to the Mohawk people stands along an old Native American trade route.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

Burial ground for revolutionary veterans attracts tall tales, ghost hunters, not enough historians and preservationists.