A mailbox that saved a nature reserve.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The only pachinko parlor in the United States.

All that's left of the quintessential "cabin in the woods."

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

An eerie site of reverence for those who have completed an epic journey.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

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

Founded in 1925, this folk school attracts students from across the country and preserves traditional Appalachian art.

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

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

Traditional Appalachian dances such as the Georgia Rang Tang and the Shoo-Fly Swing are kept alive at this weekly event.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A wedding chapel, vintage clothing shop, and bar all under one roof.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

A museum celebrating rare American motorcycles where everything runs—and none of it quietly.

An abandoned bait shop with a front lot filled with storage boxes.

This vast kitty-themed collection illustrates the history of human-cat interaction.

Hidden amid a collection of trails is the site of a tragic crash.