The final resting place of a prominent Black American farming family sits in the shadows of an IKEA store.

This unique structure is the only one of its kind in Virginia.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

At 207 feet, one of the world's longest continuous escalators.

The national park was once a plantation estate.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A glimpse of the Pacific Northwest‘s indigenous culture in Washington, D.C.

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

A spectacular tribute to statesman and philanthropist Andrew Mellon.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

A much-maligned monument to teetotalism.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

A gift from Japan, 17th-century lantern stands among the cherry trees at D.C.'s Tidal Basin.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

These massive concrete balls were used to mine gold in Virginia.

The resting place of a Civil War celebrity's amputated limb.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This plaque celebrates the sister city relationship between Fredricksburg and Fréjus.