1.)Lakenenland Sculpture Park - we stopped there on sled two years a go and it is awesome!
Highway M-28, across from Shot Point Road, Marquette, MI 49855 -
website→
http://lakenenland.com/
2.)Marquette Maritime Museum - A personal favorite of mine
300 Lakeshore Blvd., Box 1096, Marquette, MI -
website→
https://www.mqtmaritimemuseum.com/
3.)Superior Dome - I've played football here, it's pretty cool. It's the worlds largest wooden dome.
1401 Presque Isle Ave. • Marquette, MI 49855-5301 -
WIKI→
http://en.wikipedia.org/wiki/Superior_Dome
website →
http://www.nmu.edu/sportsrecsports/node/113
4.)Michigan Iron Industry Museum - I never been there but figuring your acclamation for mines this could interest you.
73 Forge Road, Negaunee, MI 49866 -
web→
http://www.michigan.gov/dnr/0,1607,7-153-54463_18595_18611---,00.html
5.)Cliffs Shaft Mine Museum - I had some friends go here and really liked it.
501 W. Euclid Street, Ishpeming, MI 49849
WIKI →
http://en.wikipedia.org/wiki/Cliffs_Shaft_Mine_Museum
web →
http://www.me.mtu.edu/~jdschust/cliffs/
Just some suggestions. Good Luck!
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