If you cannot get to Europe, visit Lviv. In terms of architecture, this Ukrainian city is really European. 1001guide advises to go on a sightseeing excursion of Lviv; in a few hours, the guide will show you the most interesting historical sites.
You will visit the Market Square, see the Town Hall building, the chic Potocki Palace, magnificent buildings of the Opera House, the House of Scientists, the Kornyakt Palace, many churches and cathedrals of the city.