Members of the public seldom get to peek behind the doors of secret garages where manufacturers keep prototypes and special cars. In this video from the automaker’s YouTube channel, we get to see five Porsche secret prototypes.

Porsche gives us a brief taste of some really interesting models from its recent past, cars such as the Cayenne Cabrio and the Panamericana buggy. These models are flights of fancy and seldom, if ever, make it to production.

Click here to read our driving review of the latest Porsche Cayenne.

Enjoy this rare look at usually unseen design studies and Porsche Secret Prototypes.