This weekend features two of the biggest events in motorsports, the Indy 500 and the Monaco Grand Prix. With all that heritage, though, has come some pretty whacky automotive experiments. And let's face it, the cars these days are so rule-bound that they're not exactly always on the bleeding edge of technology.

"Thong Cape Scooter Man," is a 56-year-old man who, when the weather gets nice, rides around Madison, Wisconsin on a scooter while wearing only a thong, a helmet and a black cape. It's a perfectly reasonable reaction to the long-awaited arrival of springtime in the Midwest.

So, Bill Caswell is now causing chaos around Monaco as part of his '13 Motorsports Road Trip. He was nice enough to take a break from cavorting to give this guy some advice.

While Mark Stevenson is content to ride the short bus, Matthew the Car Guy shows how it's really done.

These days a Cadillac from the 1950s will go for quite the pretty penny, especially in mint condition. They're known for being big and flashy symbols of classic Americana, but that wasn't always the case.

We knew that the new 2014 Corvette Stingray was going to have big horsepower numbers, but we didn't know they'd be this big.

Have you ever taken all the drugs, and then all the thoughts come out? And then you posted all those thoughts on Twitter? Oh, and you're also the multi-billionaire CEO of a multi-billion dollar car company? No?

Welcome to the Jalopnik Weekend Motorsports Roundup, where we let you know what’s going on in the world of racing, where you can see it, and where you can talk about it all in one convenient place. Where else would you want to spend your weekend?