The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

These free-roaming horses were once destined to disappear from the land.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

Tens of thousands of tiny birds swarm into one school chimney every fall.

10,000 flowered plants bloom in the City of Roses.

A heavenly experience, right here on Terra Firma.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A celebrity from the late Cretaceous period.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

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.

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

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The unusual burial monument of Arizona's first governor.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

A little piece of Paris in the sultry south of the U.S.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

After the parade, students throw their beads on the tree hoping for good luck on exams.