Newport Tower, Medieval tower in Rhode Island
The Newport Tower is a round stone tower located in Touro Park in Newport, Rhode Island.
It was built in the mid-17th century and is believed to be the oldest standing structure in the city.
The tower has been the subject of many theories regarding its origin and purpose, including that it was a windmill or a watchtower.
Today, it's a popular tourist attraction and is listed on the National Register of Historic Places.
Despite numerous studies, the exact origin and purpose of the Newport Tower remain a mystery.
Location: Rhode Island
Source: Wikimedia