Want to see more? Browse the tags #bicycle, #bikepolo, and #mountainbike.

On this day in 1819, the bicycle was patented in the United States. While the exact design the patent covered is no longer known — it was destroyed in a fire in 1836 — almost 200 years later we see people riding all different types of bicycles (and unicycles!), built for everything from mountain biking to bike polo! Here are some of our favorite cycling photos from the Instagram community.