Watch American Down Low 1v724j

A few racer friends from Wisconsin get together every winter to race in the freezing cold and snow...on ice!

A group of friends hone their rap skills by practicing at parks, studios and venues in preparation for highly competitive rap battles.

A few stunt riders look for a new challenge: riding inside a ball of steel. The ultimate challenges are going upside down in the ball and having two riders in at once!

A few North Carolina locals are also amateur MMA fighters looking to be the best. As they train at a local farm, they work on sharpening their bodies, minds and spirits preparing for their opponents.

Local Austin creatives called the Annie Street Arts Collective organize and perform secret - and sometimes illegal - shows around all parts of the city. This time, they are looking to do their show at an asylum and in a sewer.

In Austin, a group of underground skaters are chasing the thrill of longboard racing. Avoiding the police is almost as important as avoiding crashing.

A dirt track known for its secluded and invite-only reputation is the focus of these Texas racecar drivers.

Austin BMX riders Clint, Gerald and Rory prepare to host a bike jam at the secret Tejano Trails. When unpredictable Texas weather casts a storm cloud over their plans, they have to dig deep to roast jumps on short notice.