Sommer Mathis

Dupont Underground

A New Vision for D.C.'s Abandoned Streetcar Tunnels

Plans are once again underway to bring Dupont Circle's tunnels back to life—but will the neighborhood get behind it?

NASA

San Francisco's 1971 Earthquake, the Educational Video

Groovy NASA archival film explains how any why earthquakes affect the Bay Area the way they do

Prelinger Archives

1930s Film on Building the San Francisco-Oakland Bay Bridge

Ever wonder what it took to build the Bay Bridge? This 1936 film produced by U.S. Steel celebrates the engineering of the structure

Reuters

How NYC Fast Food Chains Are Doing Since the Recession

Which chains are expanding, and which have the most stores?

Battling Detroit's Arson Epidemic

With so many vacant buildings, firefighters in Detroit are among the busiest in the nation. A new documentary sets out to tell their story

Flickr/johnnybelmont

A Simpler Solution to NYC's Subway Garbage Problem

MTA officials are testing out the theory that removing garbage bins from subway platforms will lead to less garbage in the system

The Lost Neon Signs of Las Vegas

A professional film colorist revives his grandfather's 16mm footage from a trip to Las Vegas in 1962

Reuters

Paris Syndrome: Could Any Other City Produce This Bizarre Affliction?

An actual illness can apparently result upon realizing Paris isn't all its cracked up to be

Courtesy Washington Area Bicyclist Association

Don't Tweet: In D.C., a New War on Public Safety Information

Citing safety concerns, the city opts to filter which public safety incidents citizens get to hear about

More Ways Neighborhoods Can Decrease Car Use

Your responses from this week's The Big Fix

Car-Crushing Vilnius Mayor Wins 'Ig Nobel' Peace Prize

Arturas Zuokas's viral tank video honored for 'improbable research'

Lisa Margonelli

Brooklyn's Super Convenient but Mostly Illegal Private Bus Service

Dollar Vans offer a much-needed transit link. What's so wrong about that?

Fairmount Park in Riverside, Calif. (Courtesy APA)

Great Neighborhoods, Streets, and Public Spaces for 2011

30 examples of great places in American cities from the American Planning Association

Benoit Tessier / Reuters

Paris Launches One-Way Car-Sharing

Autolib offers compact, all-electric vehicles modeled after Velib

When We Were Still Getting Used to Traffic Lights

An archival film from 1937 explains how automatic traffic signals worked in different cities across the country

2011 Major League Baseball Regular Season: Attendance by Team

Philadelphia tops the regular season attendance list for the first time in franchise history

Walk Score Offers Apartment Searches Based on Commuting Time

Data from 209 transit agencies combines with Craigslist rental listings

Reuters/Kim Kyung Hoon

The Future of GPS Data in Smarter Planning

Researchers in Beijing are working with taxi drivers to identify the sources, not just the locations, of congestion

Still from 'Sub City Paris,' by Sarah Klein and Tom Mason

Sub City: If Only All Commutes Were This Serene

A pair of New York-based filmmakers marvel in, and just above, the underground