In parking structure next to museum, have your ticket validated when buying tickets for museum. Only 5 dollars for parking then. Stay in extreme right lane when exiting if paying by cash.
Ramp that you can park in.
I often can find metered street parking on Wells.
Lowell parking structure
Street parking is hard to find, but there is a parking structure (I paid $12 for about 3 hours)
McArthur Square parking structure on James Lovell Street, it had a entrance to the museum
There is a ramp that you can park in.
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