Moscow Kremlin

The  Moscow Kremlin (Russian: Moskovskiy Kreml) is located in Moscow, Russia and is the headquarters for the Government of Russia.

Teenage Mutant Ninja Turtles appearances
The visit it in the 1990 video game World Tour. Two of the turtles are seen standing next to one of the buildings. In the background, a Russian Orthodox cathedral is seen. By the time of the release, Russia was still part of the Soviet Union.