El Dorado

El Dorado is a mythical city/empire rumored to be somewhere in South America.

Tomb Raider
El Dorado was used is an early story concept of Tomb Raider, where Arther Hamilton Graves had found the first piece of Scion in the Shrine of Xolotol in the heart of El Dorado.

Shadow of the Tomb Raider
El Dorado is mentioned in a document, also named El Dorado, in Shadow of the Tomb Raider. It is part of Search for the Hidden City artifact collection. The document summarizes the myth and it's evolution. It's possible that Paititi is the fabled city of El Dorado.

Tomb Raider: Journeys
Lara Croft finds a coin from El Dorado with the ghost pirates of the Bonny Rider. After completing their task, the ghosts disappear, and Lara is washed ashore in Peru near a small fishing village. With the help of a local boy, Eduardo, she finds the door to El Dorado. It is a city underground build in a mine. Lara and a local man, José, enter the city and find three amulets, Lara takes only two as the third is certainly booby-trapped. A band of mercenaries followed them there, and took the third amulet springing the trap that flooded the city in lava, burying it.