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

There’s a hidden military meme engraved on the World War II Memorial.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

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.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Yo, Adrian!

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This building contains handprints that are well over a century old.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Massive still life just off the highway in Kansas.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

There are eight natural springs around town, each with a slightly different taste.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Even in death, he's still your huckleberry.

Strange red rock formations that have been attributed to a higher power for hundreds of years.