Jail from the 19th century that was built by inmates.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

Home to the deepest rift anywhere on Earth.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

When an ancient supervolcano erupted, some of Nebraska's prehistoric animals were forever preserved in ash.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.