Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This ordinary street was made infamous by a legendary visit from the devil.

The only surviving piece of Copenhagen's 16th-century defensive wall.

Rare recess caves fill this unbelievably beautiful Ohio park.

This moving cemetery sphere is a slowly rolling stone.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.