Hi' I worked on several data modeling projects and db development and migration projects... My details apart, I read your requirement and I think the following structure would meet your need... Let me know can get it done in MS access before 11AM CST.
Art Museum
Art
id,title,type,size,artist_id
Art_travel
id,art_id,travel_id
Art_loan
id,art_id,start_date,end_date
Art_location
id,art_id,location_id,start_date,end_date
Artist
id,name,dob,dod
Location
id, name
Traveling_Show
id,city,start_data,end_date
Gallery
id,name,city