Antique

Chiharu Shiota takes over an entire townhouse for her 2013 work Trace of Memory. It's one of the many unusual installations at The Mattress Factory in Pittsburgh.

The Mattress Factory hasn't been an actual mattress factory for a while now. Built on a hillside in the Central Northside neighborhood of Pittsburgh, back at the turn of the last century, it was used as a warehouse and showroom for Stearns & Foster until the 1960s.

Today, it's one of the country's more unusual art museums. Filled not with paintings or sculptures — and certainly not with mattresses — it is now, four stories of ... well, of "stories" in a way. Installations that take you places you don't expect to go in an art museum.