Following the announcement of their new album Valtari (out May 28 in the UK and May 29 in the U.S. via XL), Sigur Ros have announced some 2012 tour dates.  Here they are: 

07-30 Philadelphia, PA – The Mann (Skyline Stage) 
07-31 Brooklyn, NY – Prospect Park 
08-01 Toronto, Ontario – Echo Beach
08-03 Montreal, Quebec – Osheaga Festival 
08-04-05 Chicago, IL – Lollapalooza 
08-08 Seattle, WA – Paramount
08-09 Portland, OR – Edgefield
08-12 Los Angeles, CA – Hollywood Forever Cemetery 
08-18-19 Tokyo, Japan – Summer Sonic Festival
08-24 Paris, France – Rock En Seine Festival 
08-25 Winterthur, Switzerland – Steinberggasse, Winterthur Festival
08-28-29 Amsterdam, Netherlands – Paradiso
08-31 Stradbally, Ireland – Electric Picnic Festival
09-02 Verona, Italy – A Perfect Day Festival 
09-04 Vienna, Austria – Arena 
09-07 Berlin, Germany- Berlin Festival 
09-09 Isle of Wight, England – Bestival 
09-16-17 Krakow, Poland – Sacrum Profanum Festival