Poznan in Poland is a great place to see examples of postmodern and modernist architecture. See photographs from the following the Modernism walking route.
Architecture Blog Posts
The Monument to 1300 Years of Bulgaria in Shumen: also known as the Founders of the Bulgarian State Monument, this Cubist-style memorial is gargantuan.
Tracking down Socialist-era architecture in the Caucasus Visiting Stalinist-style buildings and monuments in Armenia, Georgia and Nagorno-Karabakh.
During our recent travels to the Slovakian capital, Bratislava, it was the Socialist-era architecture around the city that I enjoyed most about our visit.