For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

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

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

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

The oddly shaped, steam-spewing building is now an art studio and gallery.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.