An experimental, automotive replica of Stonehenge.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

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 press that first printed the Book of Mormon.

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

The shared home of a utopian commune that practiced "free love" a century before the hippies.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The headquarters of the famous Yale society.

This small-town pizzeria won the Hollywood lottery.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This blue behemoth of a bear is a colorful homage to Brown University's mascot.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

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