The observatory at the top of Mexico City’s tallest building provides a sense of just how huge this city is, and on relatively smog-free days of just how beautiful the mountains that ring it are too.
Paseo de la Reforma No 505; Mon-Sun 9 am to 11pm; admission 40 pesos.
Keep your armband ticket on and it's free to return that night and see the city light up.
This observatory is now closed (security?). Another good vantage point is the top of the Torre Latino (near Bellas Artes in the centre), which used to be the tallest building when it was built in the 60s, and survived the big earthquake in the 80s.Send your feedback or queries to been.there@guardian.co.uk
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