Spinnaker Tower and Gunwharf Quays in Portsmouth. Standing 170 meters (560 feet), this tower also known as the Millennium Tower was opened in 2005 and is the highest accessible structure in the UK outside of London. It has a 350 degree view of Portsmouth and the surrounding areas and has a viewing distance of 23 miles (37 KM).
For the brave it has a glass floor!
Thanks for looking and as always to those that have taken the time to click and comment on previous uploads.