Just few days ago I have discovered this great resource. I don’t know how I’ve missed this for so many years.
The Institute of Catholic Culture is an adult catechetical organization, faithful to the Magisterium of the Catholic Church, and dedicated to the Church’s call for a new evangelization. The Institute seeks to fulfill its mission by offering education programs structured upon the classical liberal arts and by offering opportunities in which authentic Catholic culture is experienced and lived.
With hundreds of hours of audio and video presentations on tons of topics you can get lost in the for weeks! They also have an iOS app that makes viewing the presentations a breeze.
Check it out and start learning!