What are the best wide angle lens options for a Canon T2i?

Some of the best wide angle lens options for a Canon T2i are the Canon EF-S 10-18mm f/4.5-5.6 IS STM, Canon EF-S 10-22mm f/3.5-4.5 USM, and Sigma 10-20mm f/3.5 EX DC HSM. These lenses offer a wider field of view, making them great for capturing landscapes, architecture, and group shots.