Barnaul is a city on the western banks of the Ob River in the Altai Krai region of Siberia, Russia. Set along the river, Nagorny Park contains old tombs, plus the city’s name in large letters. Nearby, Altai State Museum of Local Lore documents military and mining history in a 19th-century building. The red-brick Pokrovsky Cathedral is topped with blue domes. To the northwest, Barnaul Zoo is home to lions and wolves.