A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A mysterious echo seems to defy the laws of acoustics.

Fossilized sea bottom and lime quarry.

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

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The small burial plot is located in a mall parking lot.

An upstate New York garage advertises its services by literally putting the automobile above all else.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This historic church with a connection to "Uncle Sam" is now a fraternity house.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Monument on the spot where in 1778, Bathsheba Spooner had her husband Joshua killed and dumped down his own well.

The right to a full beard is honored by the grave of a man who was attacked and jailed due to his facial hair.

Last church of this militaristic WWII style.

A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

The oldest living cultivated fruit tree in North America.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

This hidden labyrinth offers walkers some brief peace of mind.

A lighthouse on a diminutive island was one of the first of its kind to guide seamen home.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.