In the Mound Hill Cemetery resides the final resting place of the world's tallest couple.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Whether his story is true or not, Stiffy Green is the most beloved bulldog in all of Indiana.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

This unassuming home was once “grand central station” for the Underground Railroad.

If astronomy had a ghost, it would look like this observatory.

A medical facility that has been kept frozen in time.

A memorial for an outsider theorist who believed that the planet is actually hollow.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This homegrown adoption center offers a wonderland of feline companionship.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.