Free museums in Moscow
Admission here costs nothing: to some of these museums always, to others on certain days of the month. We mark both, and we say which day it is. The list is short for now and will grow: many municipal museums have a free day, but we enter it only where we have checked it ourselves.
Mikhail Abramov Museum of the Russian Icon

The Russian icon of the 14th to 20th century, from Novgorod panels to Old Believer painting; Ethiopian Christian art, the only such collection in Russia; a reconstructed iconostasis and post-Byzantine Greek icons.
The Manege Central Exhibition Hall

The building itself: a column-free hall spanned by timber trusses of almost 45 metres, calculated by the engineer Agustín de Betancourt — a rare monument of engineering.
Exhibition Hall of the Federal Archives

Original documents from the State Archive of the Russian Federation, RGADA, RGVIA and other federal archives: things that normally stay in the stacks.
The Water Museum

Working models of waterworks, from the Rostokino aqueduct to the present treatment plants; the history of the Moscow sewer in drawings and photographs.