This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

These unusual rooms on wheels are holdovers from the 1960s.

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

The romance of early commercial flight still fills this Art Deco destination.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

This pun was simply waiting to come to life, and one defense contractor made it so.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

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

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

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

This grave marks the passing of a historic Jane Doe whose identity remains a mystery to this day.

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

One street divides a single town that stands in two U.S. states.

America's first public mental health facility.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

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