City & Urban

Houston's long-forgotten subterranean reservoir opens to the public

Now's your chance to have a slumber party in the Eiffel Tower

Urban parks are less senior-friendly than you might think

City bees don't eat processed sugar

Seattle's hidden street art is only revealed after a good soaking rain

Weird things that have been banned (and why)

9 unforgettable urban waterfalls

10 mountain hikes for city-dwellers

Brooklyn's Prospect Park enlists goats for weed-removal duties

Amsterdam to appoint world's first bike mayor

Off limits since 1934, a secret nature sanctuary reopens in Central Park

2,000 NYC pigeons to perform in spellbinding aerial light show

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