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

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

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

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

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

A whopping 14,000 copper coins cover this miniature fighter jet.

This local mascot has been a presence in the area since the 1960s.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

Just below the surface, shrimp are producing temperatures hotter than the sun.

This kitsch eatery is chock-a-block with bric-a-brac.

Nothing says indulgence like a 1,500-pound chocolate castle.

A piece of baseball history is preserved in a Pittsburgh parking lot.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

One of the oldest train stations still standing in Virginia played a vital role during the Civil War.

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

The only remaining African American schoolhouse in northern Virginia is now a museum dedicated to formerly enslaved people.

The narrowest house in America is seven feet of pure spite.

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

A former major munitions plant that has been converted into a sprawling art space.

An original apothecary from 1792.