Dramatic river bend surrounds a natural red-rocked pedestal.

Steep canyon walls hide a forested oasis in the West Texas desert.

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

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

This bridge over D.C.'s Rock Creek Park is sometimes called the "Buffalo Bridge" because of its four buffalo sculptures, which were cast from a single piece of bronze.

Over the last century, this elegant columned facade has been home to the headquarters of a bank, several nightclubs, and a restaurant.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Most-visited and most-photographed slot canyon in the American Southwest.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

The Jewish diaspora shares a menu at this museum café.

The only subway station in the city that still makes use of gap fillers.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

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

The United States Capitol's former columns still stand.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This site honors an Israeli cargo ship that was destroyed by the government in 1948.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The naval commander’s proudest moment in battle is memorialized in this unique tomb at Arlington Cemetery.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

At 207 feet, one of the world's longest continuous escalators.