A wartime promise becomes a shrine to Our Lady of Lourdes.

A singular collection of hand-built art deco cars are held in a building with style to match.

A medical facility that has been kept frozen in time.

The longest navigable underground river in the United States is home to countless blind and albino animals.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

One-layer pyramid in Indiana.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.