Question: a must places to visit in the world?
Answer: Paris. Paris is the pinnacle of art, history, culture and tourism.
Yellowstone National Park, Wyoming, Montana and Idaho. Travelers will be enchanted by the stimulating colors of Yellowstone. ... 
Rome. ... 
Tahiti, French Polynesia. ... 
London. ... 
South Island, New Zealand. ... 
Phuket, Thailand. ... 
Grand Canyon National Park, Arizona. ...