The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Mile-long cave system near Great Smoky Mountains.

Railroad came. People came. Railroad left. Town died.

This replica of the Greek structure is in the heart of Nashville.

Visit this playground of waterfalls, caves and sinkholes.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

All that's left of the quintessential "cabin in the woods."

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

This multi-story wooden waterpark offers homemade thrills.

The perfect place to take a family of giants for a beach vacation.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

This airfield is home to a number of retired vintage planes in various states of disrepair.

Rotting dome home spotted near Chapel Hill, North Carolina.

The cruel trial of a 13-year-old boy inspired the creation of this now abandoned reformatory.

One of the few surviving original NASCAR dirt-track speedways.

One of the oldest Black communities in western North Carolina and one of the largest Black Mennonite congregations in the country.

Founded in 1925, this folk school attracts students from across the country and preserves traditional Appalachian art.

The author's beautiful and historic home is also a fully functioning goat farm.

A year-long seasonal produce clock highlighting a variety of fruits and vegetables from across the Piedmont region.

During World War II, blimps were a key part of the United States' defense against German U-boats—this building could house a dozen of the armed airships.

Rare videos and memorabilia await visitors inside this unique store.

Formerly the most gerrymandered district in the U.S., it twisted and turned along racial borders.