The highest waterfall in Greece, the Kremastos Waterfall (Kremasto Nero), falling from a height of 180 m. More information: http://canyoning-caving.blogspot.com/2011/06/blog-post_25.html
Castle of Platamona
At the southeastern end of Pieria, under Mount Olympus, the castle of Platamonas, built at a strategic control point of the passage from Thessaly to Macedonia, dominates. More information: https://pieriaguide.gr/platamonas-castle/
Holy Monastery of Great Meteoron
The Holy Monastery of Great Meteoron, located at Meteora-Greece, is the biggest and oldest one of all. It was called the monastery which remains “suspended in the air” (meteoro), because of the cliff formation of a gigantic rock on top of which it was built. More information: https://www.visitmeteora.travel/great-meteoron-monastery/