I visited this WHS in May 2015. The rock-cut tombs of Pantalica are nothing special visually and I had more fun hiking in the Mediterranean environment rather than actually enjoying what's left to see of these tombs. On the other hand, Syracuse in general but specifically the sites in Ortigia are a great summary of what Sicily has to offer ... temples, amphitheatres, remains, baroque churches, great food, narrow alleys adorned with ornate balconies, friendly people, sea, sun and good food. I enjoyed my time in Syracuse as a starter of what Sicily has to offer. The town is quite touristy overall so nothing really off the beaten track (except Pantalica but only for WHS enthusiasts really). However, I would still advise anyone who visits Sicily to come here at least for a day or two. The highlight of my visit was definitely the Temple of Athena which has been converted to a church through the ages.