The five landmarks objects from the Size It Up puzzle on October 5, 2026, with the measured size of each, the reference it was compared against, a source you can check, and how the community's guesses landed. Want the surprise first? Replay this puzzle — archived days never touch your streak.
The October 5, 2026 puzzle ran from the Mount Rushmore faces at 18.3 m to the Eiffel Tower at 330 m — about 18× apart, drawing on landmarks. The pair furthest apart was round 5: the Roman Colosseum is 2.7× as big as a Boeing 747.
ROUND 1
How tall is the Washington Monument compared with the Space Needle?
Answer: Washington Monument — 169.3 m. The Washington Monument measures 169.3 m (height), which is about 1.1× smaller than the reference, the Space Needle at 184 m.
The marble changes shade a third of the way up, where construction stopped for over twenty years.
Common miss: players tend to inflate the Washington Monument when it sits beside the Space Needle — big things get squeezed, small familiar things get stretched.
How tall is the Great Pyramid of Giza compared with the Statue of Liberty?
Answer: Great Pyramid of Giza — 138.5 m. The Great Pyramid of Giza measures 138.5 m (height), which is 1.5× as big as the reference, the Statue of Liberty at 93 m.
Erosion has reduced the pyramid to about 138.5 metres today.
Common miss: players tend to compress the Great Pyramid of Giza when it sits beside the Statue of Liberty — big things get squeezed, small familiar things get stretched.
How tall is the Mount Rushmore faces compared with the Apollo Lunar Module?
Answer: Mount Rushmore Faces — 18.3 m. The Mount Rushmore faces measures 18.3 m (height), which is 2.7× as big as the reference, the Apollo Lunar Module at 6.9 m.
Each carved presidential head is about 18 metres tall.
Common miss: players tend to compress the Mount Rushmore faces when it sits beside the Apollo Lunar Module — big things get squeezed, small familiar things get stretched.
How tall is the Eiffel Tower compared with the Empire State Building?
Answer: Eiffel Tower — 330 m. The Eiffel Tower measures 330 m (height), which is about 1.3× smaller than the reference, the Empire State Building at 443.2 m.
The Eiffel Tower reaches about 330 metres including its antenna.
Common miss: players tend to inflate the Eiffel Tower when it sits beside the Empire State Building — big things get squeezed, small familiar things get stretched.
How long is the Roman Colosseum compared with a Boeing 747?
Answer: Roman Colosseum — 189 m. The Roman Colosseum measures 189 m (length / span), which is 2.7× as big as the reference, a Boeing 747 at 70.7 m.
The ancient amphitheatre is roughly 189 metres along its longest axis.
Common miss: players tend to compress the Roman Colosseum when it sits beside a Boeing 747 — 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.