The romance of early commercial flight still fills this Art Deco destination.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Meet manatees face-to-face at this zoo for native species.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

This quirky curiosity shop takes its cues from the world's bazaars.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

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

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

Live long and prosper in Tennessee.

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

More than five miles of underground passageways.

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

Enormous lake at the bottom of a unique cave system.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The "lovely red Vega" of the legendary record-settling pilot.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

The celebrated eyesore created by starry-eyed sweethearts.