Ripleys believe it or not amsterdam at ripleys believe it or not dam visitors can marvel at an unbelievable collection of jaw dropping artefacts from across the globe many of which were collected by the ultimate explorer robert ripley himself with over 400 astonishing exhibits galleries and interactive experiences spanning across 5 floors ripleys believe it or not dam celebrates the wonderful and bizarre in all its forms which are sure to excite delight and thrill the whole family