With the new version of Photoshop, you also get a new cropping tool called Perspective Crop Tool which will change the perspective on a image. Check it out, it really is a cool tool.
Remember the legendary Predator movie with Arnold Schwarzenegger? Those Predator aliens had this thermal view feature so they could their prey even in complete darkness, let's Photoshop it.
The new Adobe Photoshop CC introduced quite a few awesome updates to existing tools and feature. One of the most welcomed ones sure is some of the new Image Resize functionalities, check it out.