This improbable contraption was passed down through five generations of industrious Tennesseans.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

This quirky local sculpture is quite literally a fish out of water.

This defunct, fortress-like prison has been the setting for several movies.

Walk the whole Mississippi River!

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

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

This historic train station has been converted to a locomotive themed hotel.

Live long and prosper in Tennessee.

A natural sandstone bridge hidden in the Sewanee forest.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

Visit this playground of waterfalls, caves and sinkholes.

Enormous lake at the bottom of a unique cave system.

This museum pays tribute to the Cherokee leader who created a written language for his people.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Mile-long cave system near Great Smoky Mountains.

The secret city built by the Manhattan Project.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

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."

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

An enormous natural sandstone bridge in Kentucky.