Recommendations on Large TFT LCD Screen For Uno

If you store image bitmaps and fonts etc on an SD card you could do it but it would be slow.

Buydisplay.com has some nifty stuff, such as:

with an I2C interface.

With that display and an SD card you could theoretically display static images from an Uno.

Not sure what model of Arduino this guy is running but the result looks pretty good.