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

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

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

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

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

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

This environmental engineering marvel keeps salt water from the Elizabeth River.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

An 80-year-old house built out of newspapers.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

This 90-year-old building is home to possibly the most New Englandy social club in existence.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Where animatronic singing fish go to retire.

This museum is dedicated to the history and design of purses.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Yup, that's where the name came from.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.