At 16,627 feet above sea level, this unstaffed station is the highest in the world.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

Visit this playground of waterfalls, caves and sinkholes.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Its collection contains relics from the devastating disaster that set the town ablaze.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.