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Why the Brooklyn Bridge has empty vaults
Travel

Why the Brooklyn Bridge has empty vaults

Hidden within the massive stone foundations of this beloved crossing are cavernous chambers that have sat largely unused for decades. Initially utilized for…

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Why Fresno luggage tags say FAT
Travel

Why Fresno luggage tags say FAT

You can practically hear the collective sigh of passengers watching their baggage being publicly body-shamed. The International Air Transport Association…

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Alexander marched tens of thousands of soldiers thousands of miles across Asia
Travel

Alexander marched tens of thousands of soldiers thousands of miles across Asia

Without motorized vehicles, this ancient commander dragged tens of thousands of soldiers across brutal deserts and towering mountain ranges. They covered…

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The salamander that never grows up
Travel

The salamander that never grows up

This bizarre Mexican amphibian took one look at adulthood and fiercely rejected it forever. Through a weird evolutionary glitch called neoteny, axolotls never…

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Stagecoach passengers couldn’t bring unlimited baggage
Travel

Stagecoach passengers couldn’t bring unlimited baggage

Excess personal weight meant the fragile wooden carriage would simply snap its axles, immediately forcing you to carry whatever miserable possessions you…

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The secret bunker beneath a luxury resort
Travel

The secret bunker beneath a luxury resort

While wealthy elites were playing golf up top, the US government was secretly hollowing out the earth below. The resort concealed a massive, fully stocked…

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Bunk beds were designed to pack in more soldiers
Travel

Bunk beds were designed to pack in more soldiers

Stacking mattresses vertically was not born out of fun childhood sleepovers. It was a completely utilitarian military trick designed to stuff as many tired…

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Why airplane engines have swirling cones
Travel

Why airplane engines have swirling cones

Ground crews working on a noisy tarmac can easily lose track of which massive turbine is active and ready to suck them inside. The hypnotic white swirl…

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The White House was rebuilt behind its old walls
Travel

The White House was rebuilt behind its old walls

Because living in a collapsing historical mansion is deeply unappealing, the entire interior of the presidential residence was gutted down to the exterior…

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Gateway Arch required exact mathematical precision
Travel

Gateway Arch required exact mathematical precision

Constructing a massive curved stainless steel structure demands terrifyingly accurate calculations. During assembly, the two massive legs were built…

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The Red Sea grows saltier because desert heat evaporates its water
Travel

The Red Sea grows saltier because desert heat evaporates its water

Trapped between sweltering deserts with massive evaporation rates, this body of water is aggressively concentrating its own salinity. It is basically Mother…

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A Czech church decorated with 40,000 human skeletons
Travel

A Czech church decorated with 40,000 human skeletons

Interior design gets really weird when you run out of cemetery space. The Sedlec Ossuary in the Czech Republic contains the bones of up to 40,000 plague…

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Phoenix summer pavement gets hot enough to burn bare skin on contact
Travel

Phoenix summer pavement gets hot enough to burn bare skin on contact

Dropping your keys on the ground is suddenly a serious hazard. The summer sun bakes the streets so completely that touching the pavement will physically burn…

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The first bumper stickers were wired to car grilles
Travel

The first bumper stickers were wired to car grilles

Because modern waterproof adhesive backing was a distant luxury, early motorists literally had to use pliers and metal wire to attach their loud political…

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Why you might cry at a movie on a flight
Travel

Why you might cry at a movie on a flight

If you suddenly find yourself weeping over a terribly rated rom-com on a tiny seatback screen, blame science. The lower oxygen levels in a pressurized cabin…

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Penguins steal rocks from their neighbors
Travel

Penguins steal rocks from their neighbors

In a barren wasteland of ice, the local real estate market is completely cutthroat. Adélie penguins need small pebbles to build elevated nests that keep their…

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Pinnacles Desert is dotted with strange limestone spires
Travel

Pinnacles Desert is dotted with strange limestone spires

Thousands of weathered rock pillars stick out of the yellow Australian sand, making the entire landscape look like the eroded remnants of an ancient,…

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Why Ireland has no native snakes
Travel

Why Ireland has no native snakes

Forget the cozy myth about St. Patrick magically banishing the serpents; the real hero was a massive sheet of ice that kept the island too freezing for…

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