I've tried building The Ludus, which appears in Spartacus TV-show. This is not an exact creation but I've tried the best I could to give it the rome theme. Feel free to use this in your videos, as long as you credit me. Download link to the map and texture pack down below.
Map: http://www.planetminecraft.com/project/minecraft---batiatus-ludus-spartacus/
Texture pack: http://www.planetminecraft.com/texture_pack/joenoedoe/
Picture of the real Ludus:
