The narrowest house in America is seven feet of pure spite.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

At 207 feet, one of the world's longest continuous escalators.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

D.C. once had its own tiny rival to the New York Stock Exchange.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Commemorating the spot where the famous scientist fed his pigeons.

Visit the monolithic tomb of America's most famous general.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This elaborate towering structure was once famed for its revolutionary height.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

Four hundred granite steps were built into this massive rock by the National Park Service.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.