Looking for an unusual day trip to take with the kids? Try visiting a state or federal fish hatchery. The kids should be able to feed the fish and they can learn how the fish are raised if a tour is provided.
Federal Fish Hatcheries http://www.fws.gov/fisheries/nfhs/offices.html
State Fish Hatcheries
Alabama- http://www.dcnr.state.al.us/research-mgmt/hatcheries/
Alaska- http://www.adfg.alaska.gov/index.cfm?adfg=fishingSportStockingHatcheries.hatcheries
Arizona- http://www.azgfd.gov/h_f/hatcheries.shtml
Arkansas- http://www.arkansas.com/outdoors/fishing/resources/fish-hatcheries.aspx
California- http://www.dfg.ca.gov/fish/hatcheries/
Colorado- http://wildlife.state.co.us/Fishing/ClinicsAndEducation/Hatcheries/Pages/Hatcheries.aspx
Connecticut- http://burlingtonct.us/visitors/dep-fish-hatchery.php
Delaware-
Florida-
Georgia- http://www.n-georgia.com/fish-hatcheries.htm
Hawaii-
Idaho- http://fishandgame.idaho.gov/public/fish/?getPage=84
Illinois- http://www.ifishillinois.org/programs/Hatcheries/stocking.html
Indiana- http://www.in.gov/dnr/fishwild/5457.htm
Iowa- http://www.iowadnr.gov/InsideDNR/DNRStaffOffices/FishHatcheries/DecorahFishHatchery.aspx
Kansas- http://kdwpt.state.ks.us/news/KDWPT-Info/Locations/Fish-Hatcheries
Kentucky- http://fw.ky.gov/navigation.aspx?cid=352&NavPath=C101C139
Louisiana-
Maine- http://www.maine.gov/ifw/contactus.htm
Maryland- http://dnr.maryland.gov/fisheries/hatchery/index.asp
Massachusetts- http://www.mass.gov/dfwele/dfw/facilities/hatcheries.htm
Michigan- http://www.michigan.gov/hatcheries
Minnesota- http://www.dnr.state.mn.us/areas/fisheries/petersonhatchery/index.html
http://www.dnr.state.mn.us/areas/fisheries/crystalsprings_hatchery/index.html
Mississippi- http://www.mdwfp.com/north-ms-fish-hatcheries/fish-hatchery.aspx
Missouri- http://mdc.mo.gov/discover-nature/places-go/fish-hatcheries-and-trout-parks
Montana- http://fwp.mt.gov/fishing/hatcheries/
Nebraska- http://outdoornebraska.ne.gov/fishing/programs/hatcheries/calamus.asp
Nevada- http://ndow.org/fish/stocking/hatch/index.shtm
New Hampshire- http://www.wildlife.state.nh.us/Inside_FandG/hatcheries_visitor_centers.htm
New Jersey- http://www.nj.gov/dep/fgw/pequest.htm
New Mexico- http://www.wildlife.state.nm.us/recreation/fishing/documents/NMhatcheries.pdf
http://www.wildlife.state.nm.us/recreation/fishing/index.htm
New York- http://www.dec.ny.gov/outdoor/7742.html
North Carolina- http://www.ncwildlife.org/Fishing/HatcheriesStocking/NCWRCHatcheries/ColdwaterHatcheries.aspx
North Dakota-
Ohio- http://www.dnr.state.oh.us/LinkClick.aspx?link=6153&tabid=6499
Oklahoma- http://www.wildlifedepartment.com/wildlifemgmt/byron.htm
http://www.eregulations.com/oklahoma/fishing/odwc-fisheries-offices/
Oregon- http://www.dfw.state.or.us/fish/hatchery/
Pennsylvania- http://fishandboat.com/dir_sfh.htm
Rhode Island- http://www.dem.ri.gov/programs/bnatres/fishwild/
South Carolina- http://hatcheries.dnr.sc.gov/
South Dakota- http://gfp.sd.gov/fishing-boating/hatcheries/
Tennessee- http://www.tn.gov/twra/fish/hatchery/hatchery_sys.html
Texas- http://www.tpwd.state.tx.us/fishboat/fish/management/hatcheries/
Utah- http://wildlife.utah.gov/hatcheries/
Vermont- http://www.vtfishandwildlife.com/fisheries_hatcheries.cfm
Virginia- http://www.dgif.virginia.gov/fishing/stocking/hatcheries.asp
Washington- http://wdfw.wa.gov/hatcheries/
West Virginia- http://www.wvdnr.gov/fishing/warmwater_hatchery.shtm
Wisconsin- http://dnr.wi.gov/fish/hatchery/hatcheries.htm
Wyoming- http://gf.state.wy.us/admin/hatchery/index.asp