Travis Barker and Kourtney Kardashian are the picture of domestic bliss as the rocker shows off his 'zen' Calabasas home - filled with Dior BMX bikes that...

Barker, 46, gave fans a behind-the-scenes look inside his mansion in Calabasas, California, while striking a pose with Kardashian, 43, in his kitchen for the May issue of Architect…