Thula is one of five towns in Yemen on the UNESCO World Heritage Tentative List.

[1] Dating to the Himyarite period, the town is very well preserved and includes traditional houses and mosques.

[1] Archaeological investigation discovered Sabaean period ruins with massive stone architecture beneath the Himyarite.

[2][3] Restoration between 2004 and 2011, restored the Bab al Mayah gate, several watch towers, paths, the traditional cistern, and other portions of the Sabaean fort.

[3] This site was added to the UNESCO World Heritage Tentative List on July 8, 2002, in the Cultural category.