The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

A serene plaza that commemorates one of the Granite State's most iconic figures.

An obelisk marks the farmhouse where the founder of Mormonism was born.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

A monument park dedicated to the influential Beat Generation author and poet, Jack Kerouac.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The site of the first battle of World War II.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A small, but award-winning beach known for its literally spotless reputation.

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A planet-hunting astrograph built in the 1920s to seek out the so-called "Planet X" beyond Uranus.

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

An innovative attempt to break a siege in the American Civil War still scars the earth today.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

Mysterious stone tower featured in many alternative histories of the New World.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

A gas station has taken the place of the home of the 19th American President.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.