Eventually, the popularity of the events forced the collection to move into the larger basement of the Dedham Community Theatre, where bad art still hangs today.

BBC: A museum for bad art in Boston

Finally, housed in ancient, arched basement tunnels, is the Museo Archeologico containing a vast collection of pieces found near Siena, including elaborate Etruscan alabaster funerary urns and gold Roman coins.

BBC: Two days in Siena, Italy

Only two National Gallery buildings in Prague were directly affected by the flooding -- Anezsky klaster in Old Town, where the collection was moved out of the first floor, and the basement depository in Prague 5-Zbraslav, which will need to be cleaned.

UNESCO: Communication et information