The only female equestrian statue in Washington, D.C. is a 15th-century French heroine.

A stone marker dedicated to a Black veteran of the American Revolution who refused to leave his land near Walden Pond.

The hill that gave the Massachusett tribe, and later the state, its name.

Created by a local artist, these quirky sculptures each have their own names and personalities.

This American Civil War-era fort still stands near the border between Washington, D.C. and Maryland.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

This mural pays tribute to Atlanta natives and hip hop legends Andre 3000 and Big Boi, better known as OutKast.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

Meet 'Big Josh,' the 20-foot-tall muffler man.

This freewheeling amusement ride is the last of its kind.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

This redwood is a historic landmark, a town’s namesake, and the dancing sideline symbol of Stanford University.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

The ghostly remains of an accidental sea.

This simple highway curve has become a comedic pilgrimage site.

The only Leonardo Da Vinci painting in the Western Hemisphere.

Dedicated to the neverending mathematical constant, this plaque next to a park bench was sponsored by an anonymous benefactor.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

Dedicated to a colonial woman who was hanged for being a Quaker.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

Where a demonstration led to equal rights for one of California's most marginalized communities.

Ride on a fully-restored Nike nuclear-tipped missile elevator from the Cold War.

The historic building's ornate stained glass fixture has survived the devastating 1906 earthquake, ensuing fires, and multiple redevelopment attempts.