This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Time travel with sweets across history at this research-based candy store.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

America's post-nuclear-attack chambers of Congress.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

Developed by focused shutterbugs, this museum exposes visitors to more than 6,000 different cameras.

The world's largest fully steerable radio telescope.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.