January 201231 - Berlin, Germany - Astra
February 20122 - Cologne, Germany - E-Werk
3 - Tilburg, Holland - 013
5 - Bristol, United Kingdom - O2 Academy
6 - Manchester, United Kingdom - Academy
7 - Glasgow, United Kingdom - Barrowlands
9 - Norwich, United Kingdom - UEA
10 - Birmingham, United Kingdom - HMV Institute
11 - London, United Kingdom - O2 Academy Brixton
25 - Brisbane, Australia - Soundwave Festival
26 - Sydney, Australia - Soundwave Festival
27 - Melbourne, Australia - Billboard
March 20121 - Sydney, Australia - The Hi-Fi
2 - Melbourne, Australia - Soundwave Festival
3 - Adelaide, Australia - Soundwave Festival
5 - Perth, Australia - Soundwave Festival
April 20124 - Portland, ME - State Theater
5 - Boston, MA - Orpheum Theater
6 - Montreal, Quebec - Metropolis
7 - Toronto, Ontario - Sony Centre
9 - Philadelphia, PA - Electric Factory
10 - Wallingford, CT - The Dome
11 - New York, NY - Roseland Ballroom
13 - Chicago, IL - Riviera Theatre
14 - Grand Rapids, MI - The Intersection
15 - Pittsburgh, PA - Stage AE
16 - Knoxville, TN - Tennessee Theater
18 - Oklahoma City, OK - Diamond Ballroom
19 - Dallas, TX - Palladium Ballroom
20 - San Antonio, TX - Back Stage Live
21 - Corpus Christi, TX - Concrete Street
23 - Denver, CO - Fillmore Auditorium
25 - Las Vegas, NV - House of Blues
26 - Los Angeles, CA - Gibson Amphitheatre
27 - Oakland, CA - Fox Theatre
28 - Reno, NV - Grand Sierra Resort
30 - Seattle, WA - The Paramount
May 20121 - Vancouver, British Columbia - Orpheum Theatre
3 - Edmonton, Alberta - Edmonton Events Centre
4 - Calgary, Alberta - MacEwan Hall
5 - Saskatoon, Saskatchewan - The Odeon
6 - Winnipeg, Manitoba - Burton Cummings Theatre
9 - Washington, D.C. - The Fillmore
10 - Charlotte, NC - The Fillmore
11 - Myrtle Beach, SC - House of Blues
12 - Atlanta, GA - Masquerade Music Park
Atlanta-based metal act Mastodon will take on a co-headlining run with Swedish rockers Opeth this spring to drum up support for their latest effort, "The Hunter."
