The Cuarto del Rescate is one room, of Inca stonework, with a red line drawn at around 2m high, supposedly indicating the height at which the room was to be filled with gold treasures. 

Not really much to indicate the change of regimes, religions, language and world view that the execution of Atahualpa signified. Not to mention the massive loss of life through pestilence and warfare. 

Luckily, Cajamarca has a lot else to offer, even if its remarkable place in history is not abundantly obvious or celebrated.