Letoon, which was originally founded under the name of Leto, mother of the Olympian divinities Apollo and Artemis, is found on the Fethiye-Kas road. The ancient city is enlisted in the UNESCO World Heritage.

Letoon is the religious center of Lycia.There are three important temples where visitors can see mosaic depictions of famous scenes from mythology. Hosting many other ancient works of art, the city was deserted in the 7th century AD.