The world's largest fully steerable radio telescope.

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

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

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

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

This museum explores the grim reality of life in the earliest British colonies in America.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

These unusual rooms on wheels are holdovers from the 1960s.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

A pyramid commemorates the birthplace of James Buchanan, the 15th president of the United States

A crumbling World War I fort that is reached through a series of concrete tunnels.

This small Slovenian town has become a magnet for microbreweries.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This sandwich shop has a century-old elevator behind a sheet of plexiglass.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The only place for a truly presidential dram.

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.