My previous company (https://smarkets.com/about/careers/) had desks on wheels. It was cool but moderately pointless after we moved into team offices. Still - the brownian motion of desks as we formed pairs was quite interesting. (And occasionally seeing someone switch rooms attempting to control both a giant desk & a chair was hilarious)

I kind of miss the liberation of being able to just flip my desk 180 and stare out of the window when I needed to work on something though.