Places Added by Ian Hall

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

First built around 1848, this bridge was destroyed by arson, but original timbers are included in the replacement.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

This marker at the entrance to the Humphreys Engineer Center honors the former Chief of the Army Corps of Engineers.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

This bell is one of the last remnants of the lost city of Triadelphia.

This mighty white oak in Bethesda survived both the American Revolution and the construction of Washington D.C.'s metro red line.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

Metal dinosaurs lurk in a sculpture garden on the outskirts of a popular resort town.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

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

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

This small pedestal marks the spot of the first lot of land sold in Alexandria, Virginia in 1749.

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

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

The smallest covered bridge in Maryland.

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

A miniature city within a city, complete with traffic signs, signals, and streets to teach Baltimore's youth traffic safety laws.

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

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

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