This zombie-themed restaurant stands out in the heart of corn country.

A wall of chewing gum moonlights as collective art.

A ghost town now swarming with dozens of prairie dogs.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The world's largest Holstein cow.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A massive volcanic plug is now a protected area that hosts a number of bird species.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

A wondrous old library overlooking the nation's capital.

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

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

This poor little statue is the most vandalized memorial in Washington.

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

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.