misskriss

ok I have an old 40-50 years+ inground and indoor concrete pool. every couple years it cracks and we have to drain it and have the cracks filled, but a year or two later it will crack in a new spot. I am tired of doing this all the time. IS there a way to convert this pool, to a non concrete pool? I dont know anything about pools and this might sound crazy, but can we jack hammer out all the concrete and basically start from scratch with just a hole in the ground and build a whole new pool in that hole, which is made of a more durable and longer lasting material? Any answers are appreciated