The Newport Tower is an enigmatic structure located in Rhode Island, USA. Dating back to the 17th century, its origin and purpose remain a mystery to this day. It is believed to have been built by a group of settlers from England, and some have speculated that it
From Wikipedia
The Newport Tower, also known as the Old Stone Mill, is a round stone tower located in Touro Park in Newport, Rhode Island, the remains of a windmill built in the mid-17th century. It has received attention due to speculation that it is actually several centuries older and would thus represent evidence of pre-Columbian trans-oceanic contact. Carbon dating shows this belief to be incorrect.