A multiversal transit station located right below a highway interchange.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

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

Seemingly unremarkable items like empty sushi trays, chef hats, and freshness stickers are being preserved so future generations can look back on this beloved cultural import.

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

This taxidermy horse was a Civil War hero.

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

Perhaps the most scandalous statue of America's first president.

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

The 28,000-year-old specimen is remarkably intact.

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

Washington's iconic carousel has a nice piece of Civil Rights history.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Known as one of America's most beautiful public restrooms.

This downtown Dallas art installation is always on the lookout.

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

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

A rapidly disappearing authentic bit of the old south.

This historic train station has been converted to a locomotive themed hotel.

The pan man stands as a testament to the functionality of American cast iron cookware.

In Paris, Texas, even Jesus wears cowboy boots.