Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

The empty tomb that houses the memories of Roy Bertelli's revenge.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

An overlooked memorial honoring the local Washington residents who died in World War I.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

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

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

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

The oldest covered railroad bridge still standing in the United States.

A local prank turned town icon.

This unusual building straddles two countries.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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