This Masonic lodge was the first major private building to be constructed in Washington, D.C. after the Civil War.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This former train station was once an important shipping depot for the regions farmers.

This groundbreaking 16th-century map is known as "America's birth certificate."

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

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.

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.

This fertility idol of questionable authenticity inspired an iconic Indiana Jones artifact.

A graveyard that dates back over 200 years stands near a busy shopping center.

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

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

Outdoor exhibits explore the contributions of European, African, and indigenous peoples to American frontier culture.

A mysterious shape catches the eye in this 16th-century painting.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.