14565
He went on expeditions to the Arctic , Switzerland , and the Dolomites , and Snowdonia , the Peak District , and the Scottish Highlands when closer to home .
 Arctic, Switzerland, Dolomites, Snowdonia, Peak District, Scottish Highlands
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Arctic, Switzerland, Dolomites, Snowdonia, Peak District, Scottish Highlands