The popular car museum is allowing visitors into its secret stash.

The Petersen Automotive Museum in Los Angeles, California has expanded its popular 'Vault' tour.

The Vault was closed off to the public from the museum's inception in 1994 until 2012 when it received a partial opening to museum visitors who were happy to pay a little extra. Now though, the tour has got bigger, much bigger.

It previously featured two halls of 150 vehicles, some of which were periodically rotated in and out of the museum's galleries, while others had never been seen in the museum itself. Now the expanded tour includes more than 100 new cars and 3,700 square metres of additional display space. 

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Petersen Museum Vault
Petersen Museum Vault

'As the world’s pre-eminent automotive museum, we constantly strive to educate our guests about automotive history, technology and design and how it has impacted both local and global culture,' said Petersen Automotive Museum executive director Terry L Karges. 'The Vault presented by Hagerty will offer the pubic an opportunity to now select their tour experience and see compelling new content that has never been displayed before at the Petersen.'

Among the items currently in the vault are Steve McQueen’s 1956 Jaguar XKSS; Henry Ford II's 1952 Ferrari Barchetta that inspired the Ford Thunderbird; Elvis Presley's DeTomaso Pantera; one of only five 24 carat gold DeLoreans; the Olsbergs MSE Ford Fiesta used by Ken Block in the Gymkhana 3 video; a small collection of Ferraris previously displayed in a special exhibit at the museum; one of very few McLaren Formula 1 cars in private hands; a fleet of presidential limousines and numerous other priceless historic cars and bikes.

General admission for The Petersen is $16, and there are three different tiers of Vault tours: a 75 minute tour for $20, a 120 minute tour for $30 and the Tour of the Legends for $75.

Gallery: Petersen Museum Vault Is Opening