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

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

One person’s lost luggage is another person’s treasure.

Its columns were all carved from the same white oak tree.

A tropical paradise once home to space exploration and military installations.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

A sharply wedged sundial marks the point at which each day in the United States begins.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

A cemetery for only coon hounds in northwest Alabama.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Once one of the largest producers of pig iron in the world.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

This little-known memorial honors those who have donated their bodies to medical training.

This fountain was commissioned by a mother grieving over her son's passing.

A castle-inspired apartment building that has stood in Birmingham since 1927.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This 15-foot former Johnny Appleseed has given up his apples for donuts and coffee.