An endoscope apparatus (1) includes an insertion part (10) having an imaging mechanism at a distal end portion and which is bendable and elongated a display part which displays an image acquired by an observing means a manipulating part which performs curving manipulation of the insertion part and a housing (61) which accommodates the display part and the manipulating part to a front face thereof, and which connects the insertion part with a back face opposite to the front face. The housing is capable of being self-supported in a state where the edge of the back face at the display part, and a connecting portion between the insertion part and the housing are brought into contact with the ground.