Ultimate Frisbee Sandwich Ultimate Frisbee Jump
Ultimate Frisbee Sandwich Ultimate Frisbee Jump
Soccer Biking Unicycle Skiing
Soccer (i.e. real football) Biking (Inspiration point) Attempts at unicyling Skiing in Killington, VT
Teufelstisch Lassen Volcanic Park Punxsutawney Orient Point
Teufelstisch, Hinterweidental, Germany Lassen Volcanic Park, CA Punxsutawney (with M. Frank) Orient Point, NY
Triple Point Belgium Netherlands Germany Montreal Nassau Niagara Falls
Triple Point Belgium-Netherlands-Germany Montreal, Canada Nassau, Bahamas Niagara Falls
Great Wall Coral Castle Wheel Art, Lynnville, IA Riverside, IA  
Great Wall, China (with D. Shirokoff and D. Zhou) Coral Castle, FL Wheel Art, Lynnville, IA Future Birthplace of James T. Kirk, Riverside, IA