PURPOSE: To efficiently observe exhibits according to observer's liking without making an observer get tired.

CONSTITUTION: An observer conveyor for an exhibition place is provided with an endless passenger conveyor 1 circulated and driven along exhibition order of a large number of exhibits, getting on and off devices 2A, 2B, 2C, 2D, 2E and 2F which enable boarding of an observer on this passenger conveyor 1 and enable outward getting on and off of the passenger conveyor 1 and getting on and off devices 3A, 3B, 3C and 3D which enable boarding of the observer on the passenger conveyor 1 and enable inward getting on and off of the passenger conveyor 1. An operating means is arranged to continuously operate the passenger conveyor and two kinds of getting on and off devices 2A, 2B, 2C, 2D, 2E, 2F, 3A, 3B, 3C and 3D.