An emerald-green grotto just a short trip from Austin.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This homegrown adoption center offers a wonderland of feline companionship.

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

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

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

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

The first full-scale tunnel built in America is short but scenic.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

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

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Walk the whole Mississippi River!

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

Home to drunken tower-climbing goats... seriously.

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

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

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

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

Mile-long cave system near Great Smoky Mountains.

More than five miles of underground passageways.

Visit this playground of waterfalls, caves and sinkholes.

Enormous lake at the bottom of a unique cave system.

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.