Perrott's Folly
Birmingham, United Kingdom
Perrott's Folly, grid reference SP047862, also known as The Monument, or The Observatory, is a 29-metre (96-foot) tall tower, built in 1758. It is a Grade II* listed building in the Edgbaston area of Birmingham, United Kingdom.
Observatory data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).