Those Two Kanji Were the Fee.

Why this phrase

A temple or garden often has a small booth just inside the gate. The kanji 拝観料 mean a fee to view the hall or the inner garden. The street outside, and many outer gates, are still free. Walking past the booth and hoping it was optional is how you get stopped in front of a crowd. Pay there, or stay outside the paid line. This is a temple or garden viewing fee, not a museum ticket, and not the shrine coin offering.