A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

Five acres of divinely inspired folk art.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

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

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

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

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

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

Decades before the scandal, this staircase on the river was a literal "water gate."

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

The national park was once a plantation estate.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The site of the climactic scene from the classic horror film is now a historic landmark.