In Revelation 4, the LORD calls John up to heaven with a “voice like a trumpet” (Rev. 4:1), and we're given a dazzling portrait of heaven that we ourselves look forward to with eager anticipation.
Looking at the eschaton, or the last things, is a tricky topic. But, it is important for us as Christians to be able to talk about it with open hands, recognizing the mystery of prophecy. Ken Boa connects the Feast of Tabernacles to the second coming of Christ.