What Would Happen If You Went One Billion Years Into the Future

What would Earth look like if you could travel 10,000 years into the future? Would volcanoes cover the majority of its surface? Would it be frozen in ice instead? What if you went a million years into the future? Would the oceans have all vanished? Or would it have united into a single, enormous water world? What about a billion years from now? Would people still exist? Or would they have made their home somewhere in the galaxy?