Originally Posted by fassy

Not that hard to find, e.g. try CPH. Once you clear immigration/passport control you are airside in the main Schengen terminal, no boarding pass needed (as long as you come from a secure point of origin, otherwise they'll send you to the baggage claim).

Same goes for a lot of other airports around.

Originally Posted by stimpy

This is true. If you fly LHR-CPH for instance, you pass the immigration control and you are in the Schengen terminal. Whether you can access a lounge there is another story. I think it wouldn't be a problem with a Priority Pass lounge. I'm rarely asked to present a BP at those.