A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Perhaps the most scandalous statue of America's first president.

The "lovely red Vega" of the legendary record-settling pilot.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The most decorated dog of World War I is preserved in the Smithsonian.

Home to items never before seen by the public.

Quite simply the largest tree in the world (by volume).

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

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

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

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

See massive fossils that are over 200 million years old in northeastern Arizona.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

"We Seceded Where Others Failed."

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

The record holder for the world’s largest peach.