The National Park Service’s best-kept secret with views that rival any in D.C.

The story behind this beloved toy—named for Theodore Roosevelt and owned by his grandson—is more complicated than you might guess.

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.

The legacy of a wealthy executive and his wife, this little-known art museum features works by Picasso, Monet, Renoir, Cezanne, and more.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.

One of the last mosaic tile facades found in the city.

The location where the American Revolution ended.

A former major munitions plant that has been converted into a sprawling art space.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

The hippo that stands on this university campus was once a drunken flea market purchase.

A unique work of art that was created without permission.

Dedicated to the man who created the first radio wave communication system.

A brass and marble scale model of the solar system embedded in the concrete.

Designated as an Underground Railroad research site.

This groundbreaking 16th-century map is known as "America's birth certificate."

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

An aptly-named street near the birthplace of the modern LGBT rights movement.

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

A street in front of NASA's D.C. headquarters has been named in honor of the Black women who were essential to early spaceflight.

An abandoned textile mill that is now home to art and concerts.

Mysterious installations bring levity and light to a sometimes stodgy city.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

A local pineapple cannery once dumped pineapple trimmings off of this pier, with sometimes smelly results.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”