Michael Powell: A Portland staple. You haven't truly visited or lived in Portland until you've had a VooDoo doughnut. Personal favorite is the dirty old bastard.
Mazda: The main room features a mechanical floating dance floor, thought at the time of building to be the only one on the W. Coast, and potentially the only one still in existence.
HISTORY: In 1949 the museum first opened in a house. OMSI's popularity surpassed the size of its facility & in 1992 the current building opened. OMSI is ranked as one of the top science centers in the US.