001Open
Giant Marine Animals · TOP 9
Largest Marine Animals in History
Compares the sizes of the largest marine animals that have ruled Earth's oceans from the past to the present.
- TIME
- 5 min
- Maximum scale
- 33 m
INTERACTIVE SCALE ATLAS · ISSUE 001
Preparing the collection
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INTERACTIVE SCALE ATLAS · ISSUE 001
See the world’s scale.Up close.
We turn abstract dimensions into true-scale scenes. Scroll, compare, and inspect each subject.
Enter the first exhibit↗THE INDEX · 2026
An archive of scale
Each theme compares a different set of subjects at true scale. Enter an open exhibit or preview a record still in progress.
002Open
Our Solar System · TOP 10
Solar System Objects Size Comparison
Comparing the sizes of major planets and objects in the solar system relative to Earth.
- TIME
- 5 min
- Maximum scale
- 1,392,680 km
003Open
Reaching for the Sky · TOP 10
The Tallest Structures We Built
Standing on the same ground, comparing the heights of the tallest structures in the world.
- TIME
- 5 min
- Maximum scale
- 828 m
004Open
Miniature Creatures · TOP 6
Smallest Vertebrates on Earth
Compares the wondrous scales of vertebrates that evolved to be extremely small, challenging our perspective.
- TIME
- 4 min
- Maximum scale
- 28.6 cm
005Open
The famous entities of the SCP Foundation · TOP 6
The famous SCP foundation's Entities
Compares the scales of colossal anomalous entities contained or monitored by the SCP Foundation.
- TIME
- 5 min
- Maximum scale
- 40,000 km
006Open
From sauropods to pachycephalosaurs · nine group champions
The Largest Dinosaur of Each Major Group
One champion from each major dinosaur group, lined up at fossil-derived real-world size. Estimates shift as new research appears.
- TIME
- 5 min
- Maximum scale
- 35 m
007Coming soon
Colossal Machines · TOP 10
The Largest Vehicles and Machines in Human History
Compares the scales of the largest machines and vehicles ever built, representing humanity's technological prowess across sea, land, air, and space.
- TIME
- 5 min
- Maximum scale
- 488 m
Giant Squid vs Colossal Squid: Why Longer Doesn't Mean Heavier
Compare giant and colossal squid through measured size, a 495 kg specimen, feeding tentacles and huge eyes. Discover the deep-sea story behind their bodies.
Read storyWhy Are Saturn's Rings So Thin? Inside a 280,000 km Disk
Saturn's rings span about 280,000 km, yet its main rings are typically only about 10 m thick. Explore the ice, collisions and tiny moons behind the contrast.
Read storyWhat Is the World's Largest Airplane? An-225 vs. A380
The world's largest airplane depends on the measure. Compare the An-225 by weight, A380 by passenger capacity, and Roc by wingspan.
Read storySpinosaurus: The Longest Carnivorous Dinosaur and Secret of the Swimming Giant Dinosaur
Explore the true size of Spinosaurus (approx. 14 m), the dramatic history of its shifting reconstructions, comparisons with T-rex, and its unique semiaquatic lifestyle.
Read storyThe Colossal Scale of Bagger 288: The World's Largest Land Machine
Explore the immense size and mechanics of Bagger 288, the largest mobile land vehicle in human history, measuring 225 m long, 96 m tall, and weighing 13,500 tons.
Read storyMegalodon vs. Mosasaurus: Which Was Bigger?
Compares Megalodon and Mosasaurus size estimates, explains why Mosasaurus keeps shrinking across studies, and details the 43-million-year gap between them.
Read storyTop 10 Largest Dinosaurs in History: Which Was the Biggest?
Compare the sizes and features of the 10 largest dinosaurs in history based on estimated body mass derived from fossils.
Read storyTerrors of the Abyss and Humanity's Crisis: 5 Deadly SCP Entities
Discover famous SCP entities including SCP-1128, SCP-682, SCP-173, SCP-2317, and SCP-096.
Read storyMiracles Fitting on a Fingertip: The World's Smallest Mammals, Bird, and Reptile
Learn about the Etruscan shrew, Kitti's hog-nosed bat, the bee hummingbird, and Nano-chameleon.
Read storyWhat Is the World's Smallest Vertebrate? The Frog That Fits on a Coin
Learn about Paedophryne amauensis, a frog with an average body length of just 7.7 mm.
Read storyHow Tall is Burj Khalifa? Compared to Lotte World Tower
Compares the 828m Burj Khalifa and 554.5m Lotte World Tower using the same baseline and explains their height difference and measurement criteria.
Read storyHow Much Bigger Is the Sun Than Earth?
Explores the sizes of the Sun and Earth and compares their difference using balls.
Read storyMegalodon vs. Blue Whale: Which Was Actually Larger?
Compares fossil estimates of Megalodon's length with actual blue whale records, explaining why figures vary across studies.
Read storyThe Largest Creature on Earth: The Blue Whale
Introducing the overwhelming size and characteristics of the blue whale, the largest creature on Earth, for an intuitive understanding at a glance.
Read storyLOCAL FIELD NOTES
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