A vast array of tropical plants collected by a vacationing couple.

This aluminum airplane pays homage to the Flying Tigers of World War II.

A haunted hill that supposedly defied gravity.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Follow the steps, and this roadside artwork will teach you how to dance.

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

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

Mile-long cave system near Great Smoky Mountains.

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

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

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Dramatic river bend surrounds a natural red-rocked pedestal.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Flip your own pancakes in this old sugar mill within a Florida state park.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

World's largest collection of Coke-related items not held by the Coca-Cola company.

The world's longest known cave system.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

A historic freight system that found the true gold rush is in tourism.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

The only Florida state park with publicly accessible caves.