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

The tragic reality of a village riddled with rumors of haunts, chemical spills, and serial killers.

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

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

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

Wisconsin's most celebrated export gets the royal treatment on I-94.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

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

Decades before the scandal, this staircase on the river was a literal "water gate."

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

It was once the base for a series of domestic terror attacks.

This public park was the site of the largest civilian disaster of the Civil War.

A super-sized promotional trick that is now a D.C. landmark.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A much-maligned monument to teetotalism.

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

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

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

A computer bug so primitive it was an actual insect.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.