The Silver rewards are the equivalent of secrets from the classic series, found only in Tomb Raider Legend. They are found in a less quantity than the Bronze Rewards (from 2 to 6, depending on the level).
List of Silver Rewards
The following reason for adding it to the list has been given: See Gold Reward, the same information (locations, related achievements and trophies if there are any) should be added here. Further reasons might be found on the "discussion page". --The Poet (talk) 15:48, 31 December 2012 (CET)
Silver Reward in Bolivia - Tiwanaku
Silver Reward in Croft Manor
Silver Reward in Peru - Return to Paraíso
Silver Reward in Japan - Meeting with Takamoto
Silver Reward in Ghana - Pursuing James Rutland
Silver Reward in Kazakhstan - Project Carbonek
Silver Reward in England - King Arthur's Tomb?
Silver Reward in Nepal - The Ghalali Key