This massive airship factory is so large that it has its own indoor weather.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

This steamer is known as "The ship that built Cleveland."

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

An office built to look like a giant basket.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

"We Seceded Where Others Failed."

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

The final resting place of New Orleans' most famous voodoo priestess.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

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

World's largest Christmas store.

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

Crumbling remnants of what was once a booming town full of silver.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.