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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

One of few lasting examples of the brief octagon craze that developed into folly.

This historic hotel invented the chocolate brownie.

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

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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

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

The second oldest continuously operating bar in Louisiana.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

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

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.