A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

Started as a kitchen garden, now the second largest botanical garden in the world.

The many—66 to be exact—faces of the German forest.

A bar, burger joint, and arcade housed in a late 19th-century church building.

An old dining hall now serves up ghost stories for lusty locals.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

A 19th-century architectural wonder designed by the "father of the skyscraper."

Ruins of a once-prized railroad station in New York.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Mile-long cave system near Great Smoky Mountains.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

An abandoned town is hidden in Great Smoky Mountains National Park.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

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

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

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