I invite you to Museums of planes

The Ukraine State Aviation Museum (Museums of planes) offers marvelous collection of Soviet built aircraft. Even if you're not interested in aviation this is still a great place to visit. Kiev is home to the Antonov Design Bureau some there are some rare Antonov types on display. There are plenty of examples from the other builders as well: Tupolevs, Ilyushins, Sukhois, Yakovlevs, MiGs & Mils; and more besides.

Entrance fee is very reasonable and you pay a little extra to take photographs. There are no inside exhibits. Everything is outside.