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

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

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

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

More than five miles of underground passageways.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

Live long and prosper in Tennessee.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

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.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

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

Visit this playground of waterfalls, caves and sinkholes.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

Mysterious library of an infamous financier and spiritual seeker.

These early tent-shaped grave coverings are unique to Appalachia.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

This simple, broken column marks the final resting place of one of America's most famous explorers.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

Home of an evil witch famous within southern folklore.