If you've got a hankering for some mental stimulation, make sure you check out Russian Museum of Photography. Whether it's history, traditions or cultural practices, you'll find lots of interesting displays to keep your mind active here.
This collection of historical artifacts is located in Nizhniy Novgorod City Centre. Once you've seen all you can at Russian Museum of Photography, take a look at nearby Archangel Cathedral, Nizhny Novgorod State Art Museum, and Nizhny Novgorod Kremlin.