An unusual sculpture, an interesting history, in a strange place, for a good cause.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The pan man stands as a testament to the functionality of American cast iron cookware.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

Two dozen pinball games hidden away inside a most unlikely location.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

The development and impact of electronic media showcased in a picturesque farmhouse in Maryland.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.