The rooms are much less overcrowded because visitors have to pay an entrance fee to see the show.

ECONOMIST: British 20th-century art

This week more than 100 national parks that usually charge an entrance fee are waiving it, meaning most of the 394 national parks will be free.

FORBES: Visit National Parks for Free During National Park Week

Hit up tourist spots for other shopping options: Any science museum worth its entrance fee has an intriguing gift shop these days.

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