The Hermitage Museum in St. Petersburg, Russia, is home to around 70 cats, which guard its treasures against rodents.
In Russia, there's a bustling city named Dzerzhinsk that was once known as the "most chemically polluted city in the world."
Russia is home to the world's longest railway line, the Trans-Siberian Railway, spanning approximately 9,289 kilometers (5,772 miles) and connecting Moscow with the Russian Far East.