One of America's most historic homes also holds a startling literary legacy.

Rusty red sands line the shores of this Canadian Province.

Bizarre Cavern.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

An actual piece of the Moon, brought down to Earth by Apollo 15.

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

This locally-famous crevasse in New York State is icy all year round.

A mysterious collection of stones stand outside a small New England town.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This boulder with a 200-word legal dedication to God has remained hidden in the woods for over 150 years.

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

A mysterious stone embedded at the base of a historic Boston building.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

In order to save this beloved rock, locals blew it up and put it back together piece by piece.

Rock face that shares a name with Mary Shelley's famous doctor.

Even Henry David Thoreau found this glacial pothole irresistible.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

A very big rock just plopped down in the New England woods.

Believed by many to be the oldest surviving public monument in the United States.