Your target was St. Basil's Cathedral in Moscow.

The following websites will provide you with more information and pictures:

http://en.wikipedia.org/wiki/Saint_Basil's_Cathedral

http://www.greatbuildings.com/buildings/Cathedral_of_St_Basil.html

http://www.moscow-taxi.com/sightseeing/red-square/st-basils-cathedral.html

http://www.mirabilis.ca/archives/001436.html