The Millenium Square in Bristol is a very interesting square next to Bristol’s old port. Its main building is At-Bristol which is a science centre with this big “sphere” in the left of the facade. There are fountains, sculptures ad there also is a very big sundial in the middle of the square:
Furthermore, the ack facade of At-Bristol has a corious cone in front of it:
I’m sure that it’s possible to discover more mathematical objects in this square. If you find them, please let me know!
Location: the Millenium Square in Bristol (map)