My map includes the following (And More Still To Come!):
Working Piston Door/w Lighting System
Underground Subway System
Working Piston Dam
Working Redstone Bank (To store your stuff in for later)
Work in Progress Mob Tower Trap/w Collection Point
TNT Cannon with Automatic Time Editing
Working Transforming Piston House (Needs to be edited, to find the house go the Subway Station A and exit)
Working Underground Roller Coaster (Make sure to store what ever you don't want to lose)

To be Added:
(Anything in RED is in V.2)
Elevator That Goes Up and Down (Finished, will be added next map update)
More Subway Stations
Reset-able Gravity Trap (Will be worked on in future)
Combo Lock Piston Door (Finished, will be added next map update)
Case-Sensitive Combo Lock Door
TNT Mining Shaft (Finished, will be added next map update)

(If you have any suggestions to add, please comment or PM me [I will give you credit for the idea!)

Link to V.2: http://www.planetminecraft.com/project/my-world-of-creations-v2/

Additional Notes

Please Give Me Feedback and/or a Comment So I Know How You Like My Map That I have Been Working Hard On For You!
If you give me any suggestions, I will give you credit for it!