The commemorative stone column conceals a secret laboratory.

The Great Fire of London and the regulation of one-way streets both started in this alley.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The curiosities and wonders of pharmacy in a delightful historic building.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

These turtle-shaped concrete stepping stones provide a unique river crossing in central Kyoto.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

The 10,000 Torii shrine.

This 700-year-old street food market features baby octopus and soy donuts.

Every year, the colorful murals of Montreal get a complete makeover.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.