There are 30 landmarks to find in L.A Noire. Below is a list of them - go to the location to activate them - get them all for the achievement.
National Biscuit Company 6th Street Viaduct 4th Street Viaduct L.A. Cold Storage Company Union Station El Pueblo de Los Angeles Chinatown Hall of Records The Bradbury Building Angels Flight Pershing Square L.A. Public Library Main Street Terminal RKO Theater Los Angeles Examiner Christ Crown of Thorns Intolerance Set The Mayfair Hotel The Good Samaritan Hospital MacArthur Park Park Plaza L.A. County Art Museum Westlake Tar Pits Bullocks Wilshire Brown Derby Crossroads of the World Musso and Franks Max Factor Building Hotel Roosevelt Grauman's Theater
Autosaving for InterviewsAdded 3 Jul 2011, ID #7449
Interviews in L.A. Noire are important to get right, because the way you handle each one can affect your game. It is therefore a good idea to save before each one. For most interviews, you can get up and walk around. If you leave the building the game autosaves. You can then go back and do the interview, but if you make any bad choices, you can restart your game to try again.
Red Dead Redemption Easter EggAdded 3 Jul 2011, ID #7448
There is a reference to Rockstar's Red Dead Redemption buried in L.A. Noire.
During the 'Silk Stock Murder' mission, having investigated the blood trail going up to the roof, search the body and locate all the clues. Before heading back to your car, turn round
In the "Silk Stock Murder" case, after you investigate the long blood trail leading onto the roof, examine the body and find all the clues. Once back at your car, turn around and go down the alley. You should see John Marston's cowboy hat from Red Dead in a dustbin!
Gold Film Reel Locations Added 31 May 2011, ID #7342
Check out the videos below to find the locations to the Gold Film Reels. There are 12 Gold Film Reels in the Hollywood area, 12 Gold Film Reels in the Wilshire area, 10 Gold Film Reels in the west side of the Central area, and 16 Gold Film Reels in the east side of the Central area.
Unlock Pre-Order CostumesAdded 31 May 2011, ID #7340
The following costumes become available when you either pre-order the game from the indicated store and completing the corresponding task.
Unlock The Broderick Costume: Pre-Order bonus from Amazon.
Unlock The Sharpshooter Costume: Pre-Order bonus from Best Buy and Zavvi.
Unlock Button Man Costume: Collecting ALL 20 hidden shields to complete the Badge Pursuit Challenge. This costume gives ALL weapons extra ammunition. This costume was a pre-order bonus in the USA, Canada, and Australia from GameStop/EB Games, and GAME in the UK. The pre-order bonus also came with 'The Naked City' downloadable content.