Industrial

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

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

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

An impressive collection of farm equipment and other artifacts from life on the prairie.

Some of England's last cave dwellers lived and worked within this huge cave.

This abandoned oil depot produces world's longest echo in a manmade structure.

A jewel of early electric boosterism once again charms Connecticut's historic "Hat City."

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

Eight whimsical acres of metal art.

The monumental home of Prussia’s eccentric "Cannon King."

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

A giant steel sculpture with animals in its shadows.

Abandoned tunnels dug for the once-thriving sea salt industry on the coast of southern Spain.