These markers are used to document elevation changes around the famed dam.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

Take a dip in the world's largest mineral hot springs pool.

This popular pitstop lives up to its name.

The "All-Seeing Eye of God" symbol on this library is a clue to one of the many former lives of this building.

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

This historic building is now home to the Public Access Corporation for the District of Columbia.

This memorial includes fragments from one of the greatest tragedies in United States history.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

This statue of two men in a rowboat was erected to honor those who died while fishing in the Chesapeake Bay.

A Wild West saloon that helped define a generation of psychedelic rock.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

In 1954, two enormous earthquakes occurred just minutes apart, resulting in prominent scarps that extend for miles along the range fronts.

America's first serial killer rests in anonymity.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

A beloved horticultural oasis on the grounds of a wealthy family's former estate.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

A daily replay of the experiment that proved the rotation of the Earth.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

A beautiful hidden gem in central West Virginia.