The former home of elite checkers battles of the Capital Pool Checkers Club.

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

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

Surrounded by a verdant garden and a backdrop of ivy, a monument to beloved poet Khalil Gibran stands outside of the Lebanese embassy.

The last of Fairfax County's one-room schoolhouses.

The sole surviving building from Newgate village, a colonial settlement that was renamed Centreville in 1792 after it was granted town status by the Virginia Assembly.

This restored house built from a Sears kit in the 1930s is a physical remnant of FDR's New Deal following the Great Depression.

This Federal-style plantation house was once visited by Abraham Lincoln to meet with generals during the Civil War.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

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

This one-time communal home of radical feminist activists was the first lesbian-related landmark on both the D.C. Inventory of Historic Sites and the National Register of Historic Places

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

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.

The only public school for Black children in the region from 1895-1936.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

One of the last schoolhouses constructed in the early 20th-century still standing in Montgomery County.

A well-worn trail through thick woods in northern Montgomery County leads to an old schoolhouse.

This suburban park recalls the history of a famous tavern. Despite the name, it's no ordinary place!

A massive white oak tree provides a beautiful canopy near a suburban shopping center and stood before the signing of the Constitution.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

The first federal construction project authorized under the Constitution