Diorama enthusiast N. Kalis runs a Web site called Modeling Hints and Reviews for Large Scale Modelers and Others which includes some great images of box dioramas at museums he has visited, in person or on the Web. Some of the highlights follow, but do visit his site!
Fredericksburg Battlefield Museum
Advance of Surgery showing Pare treating the wounded
NAVAL SURGERY MUSEUM
SCIENCE MUSEUM LONDON
Battle of Derancourt Diorama at the Canberra Australian War Memorial
FRAM MUSEUM IN OSLO
CHICAGO HISTORY MUSEUM
CHICAGO HISTORY MUSEUM
Ayala Museum, Phillipines
Ayala Museum, Phillipines
Ayala Museum, Phillipines
Above and below: Tuskegee Dioramas Teach African-American History
Smithsonian National Postal Museum
Montana Historical Society Diorama
New Zealand National Maritime Museum
Rochester Museum & Science Center