Museum of the BAM builders at 2, Mira st.
Art gallery at 40, Druzhby st.
Get a local bus south to the picturesque fishing village of Baikalskoe, & hike up the headland, for breathtaking views of Lake Baikal. It's possible to follow the track around the clifftops, & loop around via a camping ground in a bay, back into Baikalskoe.