A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

This peaceful park with centuries of history hides in an overlooked section of South London.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

The fences outside some of South London's estates are made from recycled World War II stretchers.

London's most popular recording studio, located in the capital's East End, runs partly on solar power and has played host to some of the world's biggest acts.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

This 1920s Dutch barge is now a floating bookstore.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

An artistic tribute to the famous singer, just around the corner from where he was born.

A clock designed to run with perfect accuracy for 10,000 years.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A serene temple with stunning stained glass hides in downtown Dallas.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

The world's second-longest burning light bulb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

A tiny waterway named after a ghost story.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

Two small markers remember the Alamo's feline protectors.

A fruit-loving town welcomes visitors with a giant melon set against the sky.