What you're looking for is recordings made with higher sampling frequency/bit-depth than CD's 16-bit/44.1kHz. The reason you can't get better quality - ie higher sampling rates/bit depth - on CDs is that there just isn't room: a standard CD's capacity is about 80min of 16/44.1, and that's it.
To get higher resolution you either have to go for a different disc format with greater capacity - such as DVD, SACD or Blu-ray - or go for downloaded music. Do that and you can get up to 24-bit resolution, and sampling rates of 88.2, 96 or even 192kHz.
You can buy hi-res downloads from the likes of The Naim Label, Linn Records or, as mentioned before, HDTracks.
However, while not impugning any of the sources mentioned above, not all apparently hi-res recordings have been made from high-resolution masters, or sampled at high bit-rates/sampling frequencies from analogue originals. There have been cases in the past of some apparently hi-res releases actually being upsampled from existing CD masters.
That said, you are getting a bit confused about lossless encoding and high-resolution: lossless compression, as has already been stated, is a method of compressing music down to occupy less storage space, not a means of achieving higher quality than the original recording.
Bear also in mind that a Blu-ray recording of the music may appear to sound better because there's a picture. Honestly: if there's a visual stimulus such as a video picture, our ability to listen critically is greatly reduced, simply because the visuals take up so much of the brain's limited processing power.
That's one reason why I often turn off the display when assessing the sound of a home cinema system or component, so I'm actually listening to the sound alone, rather than being fooled by all those pretty pictures and trying to listen past them.
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