1001 Natural Wonders

Read a good chunk of this book by Michael Bright.

The distribution by country (about 147 countries are listed)

Countries I have visited
USA 114 (including Hawaii)
Australia 107
France 33
Scotland 26
England 22
Canada 17
New Zealand 12
Japan 11
Mexico 9
Italy 9
Austria 8
Switzerland 8
Germany 7
Ireland 5
Czech Republic 3
Belgium 1

Countries I would like to visit
South Africa 48
China 40
Thailand 34
Spain 33
India 26
Brazil 19
Chile 16
Namibia 13
Ecuador 12
Greece 12
Russia 11
Nepal 10
Costa Rica 10
Papua New Guinea 9
Norway 9
Sweden 9
Argentina 9
Tibet 8
Turkey 8
Iceland 8
Sri Lanka 7
Vietnam 6
Wales 6
Bhutan 3

Breakdown in the USA

New York
Niagra Falls
The Great Lakes

Alaska
Brooks Range
McNeil Falls
Mount Katmai
Bear Glacier
(and more)

Washington
Mount Rainier
Grand Coulee
Dry Falls
Upper Skagit River
Mount St. Helens

Oregon
Crater Lake
Multnomah Falls
Mountain Hood
Columbia River Gorge