NASA's SLS Mobile Launchpad
We've still got quite a while to go before NASA gets back into the space travel game with SLS, but the first pieces of the potential inter-planetary transportation puzzle are starting to fall into place. The $500 million mobile launch tower of the future has already been rolled out and is undergoing structural testing at the Kennedy Space Center. You owe it to yourself to hit up the source link for some more images, including a few from atop the tower.