Infrastructure

One of London's lost rivers runs through a pipe over the tracks of this subway station.

The largest Spanish artifact built in the Philippines and one of the oldest underground reservoirs in the world.

Where the people of Gozo have been doing laundry for more than six centuries.

This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

The only remaining section of an aqueduct that used to supply water to Manila during the Spanish occupation.

The Museum of the Forum of Caesar Augusta showcases the city's ancient Roman sewage system.

The world’s oldest boat lift is also known in the United Kingdom as the "Cathedral of the Canals" and one of the "Seven Wonders of the Waterways."

These remnants of Old London Bridge possess unique acoustics that allow for whispered conversations to carry from one side to the other.

The tallest stone dam in Poland was opened by Kaiser Wilhelm II himself.

An artistically engineered dam designed to honor the relationship between humankind and nature.

When local government began removing public benches, the public pushed back, and vibrant, community-built seating now outnumbers the official shelters at Chattanooga bus stops.

This 19th-century aqueduct provides insights into how water was supplied to Victoria on the island of Gozo before modern plumbing.

Cute manhole covers commemorate the hometown of the real-life Ash Ketchum who created Pokémon.

In Wilmington's hip Trolley Square neighborhood, a utility box has been repainted to resemble a classic gumball machine.

Constrained by time and topography, this civil engineering landmark was constructed 100 feet above Starrucca Creek over the course of a single year.

The ruins of a 19th-century aqueduct run through this Brazilian island's deep forest.

These post boxes from a bygone era have been the source of controversy and debate.