This defunct, fortress-like prison has been the setting for several movies.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Live long and prosper in Tennessee.

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

Mile-long cave system near Great Smoky Mountains.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The secret city built by the Manhattan Project.

A giant milk bottle from the 1930s beckons drivers to this diner.

The decorations were inspired by an unlikely missing treasure.

An abandoned 19th-century hospital now swirling in ghost stories.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

A town's monument to a touch-football victory 50 years in the making.

An obscure waterfall that looks like something out of a fantasy novel.

A giant Troll lurks under one of Seattle's oldest bridges.

Mysterious meeting place for UFO hunters near Area 51.

The colossal cartoon man stands outside a Nevada museum.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

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

Experience a charming 1930's version of "infotainment."

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

An eatery for UFO seekers on the Extraterrestrial Highway.

A picture-perfect town, perfect for blowing up.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.