The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

America's first federal monument.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

Colorado’s most beloved glacier is an imposter.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Above Breckenridge, a destructive mining technique sits sunken in a small pond.

Take a dip in the world's largest mineral hot springs pool.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

The giant birds honor two native North American species.

Over time, this castle grew to encompass the entire island.

Take a seat and hear a song by the composer Frédéric Chopin.

The small cave that housed Tennessee's "first citizen."

A miniature representation of Canadian cities and landmarks in incredible—and sometimes hilarious—detail.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

The location of the last stand of Charles Manson's doomsday cult.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This small town was built around a marble quarry and named after one of the most famous sources of marble in the world.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.