We will get many rewards in jannah. We do not know them all but we are told of one in particular. One type of pleasure we will experience in the hereafter but have never experienced in this world will be the pleasure of seeing Allah (swt)! 

Imagine sitting in your house in jannah and an angel comes to the door. They ask you to go and visit Allah!  As you travel to see Him, there are mountains of light, pillars of gold and piles of musk. Everyone is sitting on their own level in jannah and there is no hatred between anyone! 

You see the brightest light and ask the angels “is this Allah”. They say no this is the light that proceeds Allah. Then Allah greets you with “Assalamu alaykum ya ahlul jannah” subhanAllah!