From the halls of the Museum of Soviet Arcade Machines, where Cold War games still flicker, to the stage of the Moscow Cat Theatre, where cats defy gravity—our Moscow adventure covers extremes.

STARITSA, Russia (AP) — Clowns and street performers gather to attend the Karandash-Fest in the town of Staritsa in the region of Tver, about 200 kilometers (125 miles) northwest of Moscow. The ...