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

A heartwarming message to those entering and departing Music City from above.

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

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

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

An oversized metal construction of Billy Tripp's moods going through life.

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

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

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

Home of an evil witch famous within southern folklore.

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 rogue roots are gradually consuming some of the historic marble grave markers.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Home of a 28-foot tall stalagmite known as the War Club.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This abandoned amusement park was built on a site with a dark history.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.