Built in 1945, this historic train station has a new lease on life with its baggage area serving as an event space.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Once the largest trading firm of enslaved people in the U.S., this building is now a museum that preserves Alexandria's dark past.

The former home of Thomson Francis Mason, the mayor of Alexandria from 1827-1830.

This apartment building designed by a notable Washington D.C. architect housed the Qing Dynasty's Legation.

One of the oldest standing structures in Montgomery County, Maryland.

Home to a 27 room house, this estate was crafted by Black entrepreneur Olander Banks Sr.

Originally dubbed "Retirement" by the Navy Commodore who built it in 1780, this beautiful mansion is now the centerpiece of a suburban community park.

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

Hidden in the forest atop a long, winding driveway is this stately home.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

A small, forgotten prison cemetery marked only by a wrought-iron fence and eerie depressions left in the ground.

This field of concrete was once an active defense site armed with nuclear warheads.

A weathered, American Foursquare-style house originally built for lumber merchant William Wimsatt.

The last early 20th-century schoolhouse in Fairfax County has galvanized the community and engendered a spirit of service among residents.

A small brick parlor house and artist's studio located in the wilderness is surrounded by imposing suburban palaces.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

This homestead was occupied by Union soldiers, who believed the owners were signaling Confederate forces.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

The childhood home of the famous general's mother is now a small, walled garden.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.