For each of the ten market tops over the last 40 years, one will find a caldera of lava underneath the placid S. Park-like valley floor. Akin to Super Volcano Caldera under Yellowstone Park in real life. The lava, actually magma, has settled into levels...

Back in 2008, Lamborghini took on a pretty wild challenge. Build a supercar with essentially no regard for cost or practicality, taking direct design inspiration from the F-22 Raptor fighter jet. The result was the Lamborghini Reventón. Just 20 coupes ever made. Tonight, Tesla is unveiling its next-generation Roadster, a car being developed with technology from SpaceX that could potentially even fly. I've always loved when manufacturers throw conventional thinking out the window and build something simply to demonstrate what their engineers are capable of. Lamborghini built a supercar that was inspired by a fighter jet. Nearly 20 years later, Tesla and SpaceX might actually build one that flies.