Oh, goodness. This is a tough round. Group 3 of Eastern US is up - the winner here will face off against the Group 1 & 2 Champions to decide who will represent the Eastern US in the National Finals vs. the West Coast. The winner of *that* showdown represents the US in the Museum Dance Off 4: A New Hope Thunderdome!

Seal Cove Auto Museum - Seal Cove, Maine, USA



Follow them on Facebook.







National Museum of American History - Washington, DC, USA



Follow them on Twitter.

Find them on Facebook.





Chemung County Historical Society - Elmira, NY, USA



Follow them on Twitter.



Find them on Facebook.







Indiana State Museum and Historic Sites - Indianapolis, IN, USA



Follow them on Twitter.







Chemical Heritage Foundation - Philadelphia, Pennsylvania, USA

Follow them on Twitter







Click here if the embedded poll does not appear: http://poll.fm/5sltr