With buzz building around Expo 2020 Dubai, here's your ticket to some of the best expo moments.
For more than a century, innovations in technology, arts and culture were revealed to the masses at grand public events – and the World’s Fair was the place to do it.
We call them World Expos today, but the events continue to roll out the most cutting-edge inventions of their time.
As we anticipate the next World Expo in Dubai in 2020, it’s worth a look back at some of the most interesting innovations launched before international crowds during the past 165 years.
Click on individual images to enlarge and view as a slideshow.
New York Expo ticket photo courtesy Joe Haupt, Flickr.