Established in 1890, this Jacksonville institution is the longest running music venue in the state of Florida.

This recreation of a 19th-century dime museum is full of oddities.

A memorial in coal country commemorates the victims of an all-too-preventable mining disaster.

This abandoned amusement park was built on a site with a dark history.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

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

This historic mansion was built as a symbol of love between a husband and wife.

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

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

Outsider art meets paleontology at this roadside reptile repository.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

A historic coal mine that doubles as a museum and tourist attraction.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

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.

The whole world in one water tank.

A Civil War Museum with some notable medical antiques.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

This pun was simply waiting to come to life, and one defense contractor made it so.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A tiny piece of the Moon is embedded in this stained glass masterpiece.