There are many places to visit in and around Antalya, spanning modern, natural, historical and ancient sites. These include:

The Old Town (Kaleici) and Yivli Minaret; the Old Harbour; Antalya Museum; Hadrian’s Gate; Aspendos; Termesos; Olympus and Chimaera; Phaselis; Karst Springs (Duden and Kursunlu Waterfalls); The Karain Cave


Relevant links: https://theculturetrip.com/europe/turkey/articles/the-top-10-things-to-do-and-see-in-antalya-turkey/
https://traveltriangle.com/blog/places-to-visit-in-antalya/
https://timesofindia.indiatimes.com/travel/antalya/travel-guide/top-10-attractions-in-antalya/gs48553658.cms

Travellers’ comments about Antalya, as well as many recommendations:

Images of Antalya