Restaurant menus can be interesting for their artwork, general design, and as a historical artifact. It's interesting to look at prices, unusual items, and different cultural sensibilities. I'm going to start with five menus for this post.
A special game dinner help to honor president Theodore Roosevelt, the
Bozanta Tavern, Hayden Lake, Idaho, 1909

Menu details from a reception for the International Hotel Alliance by French government officials:
http://www.hotelschool.cornell.edu/research/library/collections/menus/menu-images.html?lm_menuid=909140

More menu details can be found here:
http://www.hotelschool.cornell.edu/research/library/collections/menus/menu-images.html?lm_menuid=926104
Check out the other great menus from the Cornell University School of Hotel Administration.
http://www.hotelschool.cornell.edu/research/library/collections/menus/detail.html?id=909140
Three from the Colorado Menus Collection:
http://www.coloradocollege.edu/Library/SpecialCollections/Colorado/Menus.html
Easter Dinner at the Alamo Hotel, Colorado Springs, 1895:


Drink all your milk and get a free lollipop at the Holiday Inn Hotel. (children's menu, 1970?)

Some typical 1950's menu items with typical 1950's prices - just don't get drunk or rowdy at the Holland House in Golden. (1958)


The complete menu can be found here:
http://www.coloradocollege.edu/Library/SpecialCollections/Colorado/menus/hollandhousemay1958.htm