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

Visit this playground of waterfalls, caves and sinkholes.

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

Explore the wide world of miniature trains.

This structure among the trees was the result of divine inspiration.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

One of the few surviving "Wigwam"-themed motels.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

The world's longest known cave system.

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

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

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

This quirky local sculpture is quite literally a fish out of water.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

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

This defunct, fortress-like prison has been the setting for several movies.

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