Joe Maddalena, Debbie Reynolds, Todd Fisher in Hollywood Treasure

Syfy is adding to its unscripted lineup with Dream Machines, which will follow Florida-based brothers Marc and Shannon Parker as they build vehicles inspired by those seen in Hollywood.

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The Parkers will face a new client and design challenge in each episode, and will create iconic sci-fi "machines" like The Dark Knight's "Bat Pod" and the "Light Cycle" from Tron.

Syfy also ordered a six-episode second season of Hollywood Treasure, and a 12-episode second season of Haunted Collector. Hollywood Treasure is a documentary-reality series about collecting showbiz and pop culture memorabilia, and Haunted Collector follows a family of paranormal investigators.

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All three shows are set to premiere in early to mid-2012.