At 400ft and 85mph, Lex Luthor: Drop of Doom at Six Flags Magic Mountain is the worlds tallest and fastest freefall drop ride! This B-roll footage shows the ride from multiple angles - how awesome does it look? The drop towers are attached to both sides of the Superman: Escape from Krypton roller coaster. Are you brave enough to take this on?\rbrSix Flags Magic Mountain is located north of Los Angeles in Valencia, California.