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Joe Raymond/AP

How Gary, Indiana, Got Serious About Tackling Blight

The mayor of Gary is determined to stop a tide of vacant, neglected buildings in her post-industrial city. Data-rich parcel mapping is the first step.

Carol M. Highsmith’s America/Library of Congress

One Photographer's Mission to Document How Every State Lives

Carol M. Highsmith is out to create a comprehensive visual record of the U.S.—and she's donating it all.

11 Historical Maps and Charts That Explain the Birth of Amtrak

One classic memo even scores various routes on "presidential risk of blame for killing RR passenger service."

Heatonist

Forget Wine Tasting—Brooklyn Is Getting Hot Sauce Tasting

The Heatonist store will offer 150 varieties of fiery goodness.

Mapbox

Watch a Decade of Data Come to Life on OpenStreetMap

The open-source, citizen-driven mapmaking tool has democratized the insular world of cartography.

Robert Galbraith/Reuters

Is YIMBYism the Next Big Single-Issue Political Platform?

One San Francisco mayoral candidate is making "Yes in My Back Yard" her mission statement.

Mark Byrnes

The Tragedy of Canada's Census

The country's political climate led to the switch from a mandatory census form to voluntary one. It's been a disaster for policymakers.

AP Paris/Jacques Brinon

The Eiffel Tower Is Now the Loveliest Electrical Generator in the World

It's all about visibility: If one of the most famous monuments in the world can use sustainable energy, why can't everything else?

New York Public Library Labs / Building Inspector

Help New York Build a Digital Time Machine

The New York Public Library needs a hand with its ambitious "Google Maps of yesteryears" project.

Walk [Your City]

DIY Wayfinding Signs Are About to Go Mainstream

The Knight Foundation has announced it will fund a large-scale expansion of Matt Tomasulo's 2012 "WalkRaleigh" project.

Drones Are Getting in on the Building-Demolition Game

But their presence during implosions is making some people unhappy.

@MeghansHeart

Southerners Are Failing at Building Snowmen

A major winter storm tests the lower states' snow-sculpting mettle.

City of Chicago

The Cracks in Chicago's Grand Plans for the Bus

Forget opponents—even supporters are debating whether the city has gone far enough in its BRT ambitions.

When the British Tried to Build Their Own Eiffel Tower

In the late 19th century, London nearly got a 1,200-foot steel monument to transcontinental jealousy.

Flickr/Jean-Etienne Minh Duy Poirrer

Care About Global Climate Change? Then Fight Local Air Pollution

The dirty fuels that cause particulate pollution are the same dirty fuels that cause global warming.

Shutterstock.com

Suburban Birds Are Reservoirs for Lyme-Disease Bacteria

Humans are creating wonderful habitats for disease-spreading robins and sparrows.

Flickr/zabowski

A Dreamy New Database for L.A. Architecture Nerds

15 years in the making, the most complete resource on L.A.'s historic built environment has just launched.

Nine Elms to Pimlico Bridge Competition

It's Beginning to Look a Lot Like London Has a Fancy Bridge Fetish

With the Nine Elms to Pimlico Bridge Competition, the U.K. capital appears well positioned for folly.

NOAA/NASA

It's So Cold You Could Walk Across Lake Erie

95 percent of the lake’s surface is frozen. But don't get any big ideas.