Hitman Map?

[Omnisent]

So when Hitman was released, I fell in love with it, and knew I had to make a map for it.
But the problem is, I'm running out of ideas... so I need your help.
Try to list as many topics for a map as possible, and if I like it, I may start on it!

I'd like it to be unique and not just mountains surrounding a town, so try to stay specific.
Thank you all, and if I do choose one I will announce it and you guys can help if you want!

 

[Unitus]

I have been thinking of a recreation of a battlefield arena. The best arena that I have ever encountered is PvZ Jewel Junction map, it's extremely good, and a recreation of that would be so nice

 

[Trenly]

Caves. Make a huge cave system with abandoned mineshaft, multiple levels, and an ore processing center