This palace is open at 10 but you need some time to get there. as ussual to save some time. looking to buy tickets
New York City
Interesting places to see in New York City
10 fascinating things to see in Potsdam – The Local
https://www.thelocal.de/20180706/10-things-to-do-in-potsdam
Visiting & Tickets – Christ Church Cathedral Dublin : Christ Church Cathedral Dublin
https://christchurchcathedral.ie/visit-us/purchase-tickets/
Dublin Castle
https://dublincastle.admit-one.eu/?&language=ENG Need to be made 28 or less days I advance
Dublin Castle | The Office of Public Works
http://www.dublincastle.ie/
Buy Book of Kells Tickets – Visitors and Book of Kells
https://www.tcd.ie/visitors/book-of-kells/buy-tickets/?ftredirect=1
Guided Tours – Visitors and Book of Kells
https://www.tcd.ie/visitors/tours/
10 European Museums You Can’t Miss | The Discoverer
https://blog.thediscoverer.com/10-european-museums-you-cant-miss/ It is hard to say which museum you must visit. Most of them have beautiful collection. Some of them will give unforgettable experience.
Portugal Tour – Escapes by Globus
https://www.globusjourneys.com/tour/portuguese-escape/kpa/
Dumbo
Another beautiful display in Dumbo Area. Unfortunately sidewalk and road can be better but store front displays offer many interesting expression of the art