Urban Planning

A relic of FDR's brief foray into utopian urban planning.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

The medieval network of canals hidden underneath the city is opened to explorers each year.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

At just 51 feet and 10 inches long, it's the shortest street in England.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

A plaque marks the underground site of one of London's "lost rivers."

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

A relic from one of London's worst 19th-century slums.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

Though they've since been renamed, these two streets hint at Dublin's darker days.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.