links and Videos that show what is possible.

A list of BMX tracks in WA.
http://www.ababmx.com/index.php?page=default/tracks&search=Washington
I wouldn't mind adding Olympia to that list.

Seattle
http://www.youtube.com/watch?v=x-sfPuRyASw
http://www.youtube.com/watch?v=G2RVj7lLtKg
http://www.youtube.com/watch?v=2c68asgOmno

Bellingham, WA
http://www.youtube.com/watch?v=EMP6d4Msqkg

Chandlar Park, AZ
http://www.youtube.com/watch?v=oyYlippFczs

Austin TX
http://www.youtube.com/watch?v=DknsFHSUbig

Canada
Burnaby, BC
http://www.youtube.com/watch?v=P6f_lpZoN18
Toronto
http://www.youtube.com/watch?v=_BB1BMLzTK8&feature=PlayList&p=5D88C372B3E199EE&playnext=1&index=49
http://www.youtube.com/watch?v=FWcSrQqc78k


South America
Columbia
http://www.youtube.com/watch?v=hfRlZd4K91o&feature=related
Caracas, Venezuela
http://www.youtube.com/watch?v=yIttfXMslqM&feature=related