The AST Dew Tour, the biggest US action sports tour, has just launched the tickets for this year's Stateside tour. The fourth season of the AST Dew Tour kicks off in Baltimore, Maryland on June 19th.

Each event features skateboarding (park and vert), BMX (park, vert, and dirt) and freestyle motocross. At seasons end, the leaders in the rankings in each of the six disciplines are crowned champions and awarded the prestigious Dew Cup, along with a hefty cheque.

With up to 300,000 spectators and the top athletes in the world in attendance, the tour is a major event in the US action sports calendar. If you can make the trip Stateside, expect to see 2007 Dew Cup winners Nate Adams (Freestyle Motocross), Jamie Bestwick (BMX Vert), Ryan Nyquist (BMX Dirt), Daniel Dhers (BMX Park), Shaun White (Skateboard Vert) and Ryan Sheckler (Skateboard Park) battling it out to defend their titles.

Here's the schedule: Panasonic Open, June 20-22, Baltimore Right Guard Open, July 18-20, Cleveland Wendy’s Invitational, August 22-24, Portland, Ore Toyota Challenge, September 12-14, Salt Lake City PlayStation Pro, October 17-19, Orlando