The Elegant Universe and The Fabric of the Cosmos are excellent books by American theoretical physicist, Brian Greene. They've been turned into two series of documentaries. The documentaries are far from boring, and even people without a background in physics will appreciate them. The universe is big and brilliant and beautiful, and flooded with startling phenomena. In the wise words of The Doctor:
But this is one corner… of one country, in one continent, on one planet that’s a corner of a galaxy that’s a corner of a universe that is forever growing and shrinking and creating and destroying, and never remaining the same for a single millisecond. And there is so much, so much to see.
The first of each series:
More to explore:
The Particle Adventure -- an excellent virtual tour of particle physics
This quantum world
Picture: TARDIS in flight by Hilson97 on deviantART