What to Watch on TV Tonight, Tuesday December 13, 2011

Megastructures: Petronas Towers, Seven, 7pm

Lost Worlds: The Empire of the Mongols, SBS ONE, 7.30pm

The Grump Guide To … The Eighties, ABC1, 8.30pm

Survivor: South Pacific, Nine, 9.30pm

American Horror Story, ELEVEN, 9.30 and 10.30pm