The September 25, 2026 puzzle ran from the Hollywood Sign at 106.7 m to the Golden Gate Bridge at 2.7 km — about 26× apart, drawing on landmarks. The pair furthest apart was round 1: the Golden Gate Bridge is 182467× as big as a mosquito.
Puzzle #4 asked about the Golden Gate Bridge, the Burj Khalifa, the Hollywood Sign, the Roman Colosseum and the Space Needle. Each answer below gives the measured size, the reference it stood beside and the source behind the number. Want the surprise first? Replay this puzzle — archived days never touch your streak.
ROUND 1
How long is the Golden Gate Bridge compared with a mosquito?
Answer: Golden Gate Bridge — 2.7 km. The Golden Gate Bridge measures 2.7 km (length / span), which is 182467× as big as the reference, a mosquito at 1.5 cm.
The full bridge is 2.737 kilometres from abutment to abutment.
Common miss: players tend to compress the Golden Gate Bridge when it sits beside a mosquito — big things get squeezed, small familiar things get stretched.
How tall is the Burj Khalifa compared with the Empire State Building?
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 long is the Hollywood Sign compared with a Boeing 747?
Answer: Hollywood Sign — 106.7 m. The Hollywood Sign measures 106.7 m (length / span), which is 1.5× as big as the reference, a Boeing 747 at 70.7 m.
The nine letters stretch about 107 metres across Mount Lee.
Common miss: players tend to compress the Hollywood Sign when it sits beside a Boeing 747 — big things get squeezed, small familiar things get stretched.
How long is the Roman Colosseum compared with a high-speed train?
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.
How tall is the Space Needle compared with the Washington Monument?
Answer: Space Needle — 184 m. The Space Needle measures 184 m (height), which is 1.1× as big as the reference, the Washington Monument at 169.3 m.
Built for the 1962 World’s Fair, it was the tallest building west of the Mississippi when it opened.
Common miss: players tend to compress the Space Needle when it sits beside the Washington Monument — 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.