In your opinion, what was the most beautiful and successful architectural design you've ever seen?

Fallingwater by Frank Lloyd Wright

Hi Sherein Sorour, Interesting Topic! Mundgod Tibetan Monastery and Hampi Temple.
Please visit the following 2 Links :) http://www.google.com/search?q=Mundgod&hl=en&source=lnms&tbm=isch&sa=X&ei=p86SUafbIInkrAe3voFI&ved=0CAcQ_AUoAQ&biw=1274&bih=688#hl=en&tbm=isch&sa=1&q=Mundgod+Tibetan+Monastery&oq=Mundgod+Tibetan+Monastery&gs_l=img.12..0.102880.102880.6.103776.1.1.0.0.0.0.195.195.0j1.1.0...0.0...1c.1.12.img.c2Ex8K3c8yc&bav=on.2,or.r_qf.&bvm=bv.46471029,d.bmk&fp=23bfe63f95fc9e21&biw=1274&bih=688 http://www.google.com/search?q=Mundgod&hl=en&source=lnms&tbm=isch&sa=X&ei=p86SUafbIInkrAe3voFI&ved=0CAcQ_AUoAQ&biw=1274&bih=688#hl=en&tbm=isch&sa=1&q=hampi+temple&oq=hampi&gs_l=img.1.1.0l10.38212.39887.4.42065.7.6.1.0.0.0.205.833.2j3j1.6.0...0.0...1c.1.12.img.libmHyEvJE8&bav=on.2,or.r_qf.&bvm=bv.46471029,d.bmk&fp=23bfe63f95fc9e21&biw=1274&bih=688