For a good online source of Crimea and maps around the world, I don't think you can beat The University of Texas' "Perry-Castañeda Library Map Collection"
http://www.lib.utexas.edu/maps/
The leading maps on the first page:
Online Maps of Current Interest
Crimea Map (Ukraine-Travels)
Crimea - Russia Moves In (Daily Mail)
Ukraine Maps (PCL Map Collection)
Ukraine in Maps (New York Times)
Ukraine Crisis in Maps (BBC News)
Ukraine - A Divided Ukraine (CNN)
Ukraine - Post-Soviet Faultlines (Guardian)
Central African Republic Maps (PCL Map Collection)
India's Proposed New State - Telangana (Rediff)
Senkaku/Diaoyu Islands (BBC News)
Senkaku/Diaoyu Islands (Political Geography Now)
Syria Maps (PCL Map Collection)
Syria: Mapping the Conflict (BBC News)
U.S. Drought Map (U.S. Drought Monitor)
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I always talk up The University of Texas' "Perry-Castañeda Library Map Collection" because 1) I graduated from The University of Texas at Austin ("The University"), 2) I still bleed burnt orange and 3) it is an awesome map collection!
Check it out!