Today's five landmarks Size It Up comparisons with the measured size of each object, its reference and a source you can check. The puzzle is still live, so every answer stays hidden until you tap it. Haven't played yet? Play today's puzzle first.
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The October 27, 2026 puzzle ran from the Washington Monument at 169.3 m to the Burj Khalifa at 828 m — about 5× apart, drawing on landmarks. The pair furthest apart was round 3: the Empire State Building is 2.4× as big as the Space Needle.
ROUND 1
How tall is the Burj Khalifa compared with the Empire State Building?
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Answer: Burj Khalifa — 828 m. The Burj Khalifa measures 828 m (height), which is 1.9× as big as the reference, the Empire State Building at 443.2 m.
At 828 metres, Burj Khalifa is the tallest completed building.
Common miss: players tend to compress the Burj Khalifa when it sits beside the Empire State Building — big things get squeezed, small familiar things get stretched.
How tall is the Gateway Arch compared with the Eiffel Tower?
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Answer: Gateway Arch — 192 m. The Gateway Arch measures 192 m (height), which is about 1.7× smaller than the reference, the Eiffel Tower at 330 m.
St Louis’s Gateway Arch is as wide as it is tall.
Common miss: players tend to inflate the Gateway Arch when it sits beside the Eiffel Tower — big things get squeezed, small familiar things get stretched.
How tall is the Empire State Building compared with the Space Needle?
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Answer: Empire State Building — 443.2 m. The Empire State Building measures 443.2 m (height), which is 2.4× as big as the reference, the Space Needle at 184 m.
It reaches 443.2 metres to the tip of its antenna.
Common miss: players tend to compress the Empire State Building when it sits beside the Space Needle — big things get squeezed, small familiar things get stretched.
How tall is the Washington Monument compared with a Saturn V rocket?
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Answer: Washington Monument — 169.3 m. The Washington Monument measures 169.3 m (height), which is 1.5× as big as the reference, a Saturn V rocket at 110.6 m.
The marble changes shade a third of the way up, where construction stopped for over twenty years.
Common miss: players tend to compress the Washington Monument when it sits beside a Saturn V rocket — big things get squeezed, small familiar things get stretched.
How long is the Roman Colosseum compared with a high-speed train?
Reveal the answer
Answer: Roman Colosseum — 189 m. The Roman Colosseum measures 189 m (length / span), which is about 1.1× smaller than the reference, a high-speed train at 200 m.
The ancient amphitheatre is roughly 189 metres along its longest axis.
Common miss: players tend to inflate the Roman Colosseum when it sits beside a high-speed train — big things get squeezed, small familiar things get stretched.
Sizes are measured along the axis named in each round and link to their published source. Explore the full library by category, or read how scoring works.