Ark Of The Covenant
From WikiRaider
From Wikipedia
File:246px-Ark of the Covenant 19th-century
An artists impression of the Ark of the Covenant
The Ark was rumoured to be in:
All of these locations are places that people have claimed to have discovered or be in possesion of the Ark.
From Wikipedia Trivia
In Tomb Raider the Ark of the Covenant is seen at the front of the house, but in the remake, they didn't place it in because of Indiana Jones copyright issues.