SortStack #1224 — 2029-10-15

By size · Order from shortest to longest.

1. A domestic cat (body length) 49 cm

   A cat has 32 muscles in each ear, letting it swivel them independently to pinpoint a sound's source.

2. A small recreational sailboat 9.4 m

   Modern sails work like vertical wings, generating lift that lets boats sail faster than the wind itself.

3. A blue whale 28 m

   The largest animal ever known, its heart alone is the size of a small car and beats just a few times a minute.

4. The Washington Monument 165 m

   Look closely and the stone changes shade partway up, marking where construction paused for over 20 years.

5. The CN Tower, Toronto 553 m

   Its glass floor can hold the weight of dozens of moose, yet many visitors still cannot bear to step on it.

6. Mount Olympus, Greece 2.9 km

   Mythical home of the Greek gods, its peak was not officially climbed by humans until 1913.

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