The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

The only remaining historic maritime signal station in the United States.

This 19th century granite fortification is one of the most well preserved forts in New England.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

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

The palatial McDonald's that inspired Wesley Willis.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

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

Second largest wastewater treatment plant in the country.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

These three lighthouses played a fundamental role in the maritime life of Eastham.

One of the last remaining movie theatres in the country that features a rear-projection system.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

Solar powered Spectacle Island features all-green facilities.

The world's largest piece of copyrighted artwork.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

Memorial to a beloved puppeteer as well as all street performers.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.