The United States Capitol's former columns still stand.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

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

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

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

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

This giant iron playfully pays tribute to an early 20th-century architectural trend.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Expertly restored pinball machines as far as the eye can see.

Rock face that shares a name with Mary Shelley's famous doctor.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

America's oldest archaeological site or a muddled case of wishful thinking.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The world's largest piece of copyrighted artwork.

The Burnside Fountain and its questionable interpretation.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The massive machine creates cracking displays of indoor lightning.

Ice cream stand, snack bar, and time capsule of milk conveyance.