Correction: There are 18 UNESCO world Heritage sites in Greece as of 2021. The caves are still not on the list, however, there are far more than the 5 that I read about in my (clearly outdated) travel guide.
Greece and Unesco
Published by cruisingwithgratitude
Alec and Laurie Thyrre (both retired airline pilots) are making an effort to share and experience as much of this beautiful planet with their now 11 yr old son Jack and cat Pratt while traveling aboard a 64' Nordhavn boat. We started this adventure in 2018 and crossed the Atlantic in 2019. View more posts
M/VGratitude 