The ten best places to see in the world?

UNESCO, the people who run World Heritage Sites, have just completed a survey of the top ten WHSs to see. These are:

1. Angkor, Cambodia
2. Historic Center of Rome, the Properties of the Holy See, Italy
3. Historic Center of Florence, Italy
4. Historic Areas of Istanbul, Turkey
5. Old and New Towns of Edinburgh, Scotland
6. Historic Center of Prague, Czech Republic
7. Venice and its Lagoon, Venezia, Italy
8. Works of Antoni Gaudí, Barcelona, Spain
9. Westminster Palace, Westminster Abbey and Saint Margaret's Cathedral, London, England
10. Historic Center of Vienna, Austria

How many have you seen? Is there a coincidence that nine of them are in modern cities?

The ten in best condition are:

1. Monticello and the University of Virginia in Charlottesville, USA
2. Blenheim Palace, Oxfordshire, England
3. Place Stanislas, Place de la Carrière and Place d'Alliance, Nancy, France
4. Hiroshima Peace Memorial, Hiroshima, Japan
5. Convent of St Gall, Switzerland
6. Bahá'i Holy Places in Haifa and the Western Galilee, Isreal
7. Old City of Dubrovnik, Croatia
8. Te Wahipounamu, South West New Zealand
9. Historic Sanctuary of Machu Picchu, Peru
10. Jiuzhaigou Valley Scenic and Historic Interest Area, China