Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

This beloved marketplace mascot poops money and grants good luck.

This statue honors the author's groundbreaking family story.

This heritage museum highlights the importance of the dairy cow as a vital part of rural Maryland's past, present, and future.

A well-preserved quarry and six of eight continuous burning pot kilns used to make burnt lime and crushed stone are highlights of the self-guided walking tour in Fountain Rock Park.

A rare 18th-century heating system tucked inside a historic colonial home.

A mural honoring two trailblazing Supreme Court Justices—Thurgood Marshall and Ruth Bader Ginsburg.

This library is designed to commemorate the work of the Human Genome Project.

Built into the side of Jack's Mountain, these steps were once the daily commute of local quarry-workers.

The second oldest continuously operating bar in Louisiana.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

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

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

Built in 1815, the stabilized ruins of the grist mill and sawmill are now gated, but interpretive displays on the features and functions of the mill preserve its history.

At the birthplace of American railroading, a world-class collection of historic trains.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

A Portland legend tells of small green archers shooting random passersby with visionary arrows.

The seamy, underground secrets of Portland's criminal past.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Go take a picture with the inventor of the daguerreotype photographic process.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.