Interesting! Of the 36 places listed, I have visited three: Recoleta Cemetery, San Miguel de Bariloche, and Sainte Chappelle. I agree that all are worth a visit.
Offhand I found I could come up with at least 20 interesting and underrated destinations. Here are just a few:
DDR Museum, Berlin, Germany
El Khalifa museum, Jeddah, KSA
Temple of Buddha, Shanghai, China
Shanghai Museum, China
Fishing villages on the Yellow Sea, Liaoning Province, China
Newgrange, Co. Meath, Ireland
Old Head of Kinsale, Ireland
National Gallery, Dublin, Ireland
Iguassu Falls (Brazil and Argentininan sides)
Mineral Park (Brazilian side of Iguassu Falls)
Signal Hill, Newfoundland and Labrador, Canada
#4 Dredge, Dawson City, Yukon, Canada
Crypts under the Capuchin Church, Via Veneto, Rome, Italy
Domme, Perigord, France
Brown Cafes, Amsterdam, Netherlands
Museum of Sex, Amsterdam, Netherlands
I could go on....