What's a megacity without its skyscrapers? Human ingenuity loves to push the boundaries of our physical world with bigger and bigger buildings, aiming to reach the gods themselves.
But it's not only skyscrapers and TV towers that reach the skies - this list also features an oil rig in the Gulf of Mexico that is more like an island-city.
From the CN tower in Toronto to the sparkling Burj Khalifa in Dubai, put these insanely tall structures on your bucket list and marvel at their architectural brilliance.
WATCH: Don't look down! This is the world's tallest bridge
Find Your Escape by searching and comparing flight prices here. You can also sign-up for the Traveller24 Weekly Newsletter – Subscribe here. Or download the News24 App here, to receive expertly curated travel ideas and deals directly to your mobile.