Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

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

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

Live long and prosper in Tennessee.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

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

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

More than five miles of underground passageways.

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

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

After a long career, a disastrous sinking, and a half-successful salvage, this Naval vessel-turned-artificial reef ended up exactly where she was supposed to—with a little help from nature.

Six miles off the coast of Key West, a former military transport ship is now one of the largest artificial reefs in the world.

The museum chronicling a treasure hunter's dream, fulfilled.

This small Key West museum is packed with dozens of artifacts that illustrate the life of the iconic playwright.

A historic presidential getaway on the continental United States' southernmost island.

"We Seceded Where Others Failed."

The highway's southernmost spot is a beloved local attraction.

This now-deactivated naval base defended the Florida coast for centuries.

The island residents are known for taking their quirky sense of humor with them to the grave.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A monument celebrating the idea of reaching inaccessible places.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.