Municipal House (hover cursor over photo and click play)
do you agree Municipal House /Obecní Dům i s worthy to be (at least one of) "the most beautiful buildings"? in fact Prague is a totally beautiful city, so many spires, so much art nouveau and art deco, the bridges, the river; I'm not sure if Prague claims the city with the most spires and art nouveau but she surely has her share!
Prague art nouveau
Prague spires
(Charles bridge: http://en.wikipedia.org/wiki/Charles_Bridge)