John Metcalfe

Mapping the Grand Canyon's Gruesome Legacy of Death

More than 700 people have perished in the yawning crevice—here’s where and how.

Call Out Poorly Parked Cars With the App 'TowIt'

One developer’s weapon against lousy drivers and vans blocking the bike lane.

Seoul Plans a Sublime, Flower-Covered High Line

The converted overpass will be packed with flowers, tea shops, and even a library.

Relive 'Batkid' Fever With the Trailer for 'Batkid Begins'

Everybody’s favorite feel-good story is getting a theatrical release.

A Nifty Visualization of the 'Vicious Cycle' of Bus Bunching

See how small delays can lead to big commuting headaches in this interactive.

Hybrid-Vehicle Batteries Are Disappearing in San Francisco

Inventive, no doubt muscular thieves have found a new target.

A Man Is Slowly Filling Europe With 3D Models of His Face

Artist Gregos has plastered cities with more than 1,000 pseudo-Gregoses.

A New Species of Ocean Pillbug Was Discovered in Los Angeles

The critter was found kickin’ it on a “dirty, little, rocky beach” near the city’s port.

15 Seconds of Pure Parkour Terror

A free-runner laughs at death by leaping across the side of a Dubai tower.

The World Is About to Lose a 10,000-Year-Old Ice Shelf

That could accelerate the rise of sea levels, says NASA.

Berkeley Goes All 'Berkeley' With Cell Phone Warnings

The city wants retailers to caution consumers about RF radiation.

Let's All Live in a Giant, Retrofitted Oil Tanker

Architects dream of the days when “Hello” becomes “Ahoy!”

Shanghai's New Museum Resembles a Tentacled Sea Creature

The chambered nautilus finally gets the architectural tribute it deserves.

An Upside-Down Electric Tower Grows in London

That doesn’t look safe.

Vienna Debuts Same-Sex Crossing Signals

The lonesome guy in the “WALK” light has a buddy.

They're Turning 'Truck Nuts' Into a Bike Light

This world is hell.

Parkour Nuts Conquer the Dizzying Heights of Paris

There are at least three close calls with death in this hair-raising video.

Turn Your City Into Legos With 'Brick Street View'

A Google Maps mod invites you to be a kid again.

Boston Unveils an Enormous, Rainbow-Colored Spiderweb

The 600-foot-wide artwork, hanging hundreds of feet in the air, required 100 miles of rope.