Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

The colorful stairs are made with marble from the world's major quarries.

This hidden garden boasts amazing views of Lyon.

The enigmatic sculpture hides above an escalator in a Milan metro station.

A basement pool hall is the front for some of the best Dominican food in New York City.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

The narrowest street in Paris.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

This hidden museum examines the complex history of the country's law enforcement.

A garment factory hides a small Dominican eatery in the hallway to its freight elevator.

The scars of World War II are preserved on its walls.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

This banal Parisian entranceway is not what it seems.

A scattered trail of street art adds a pop of color to the city's stark structures.

A public display of random paleontology.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A silly medieval mural preserved on the side of a Viennese house.

A kaleidoscopic warehouse-maze of handmade neon signs.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

This modernist tower was saved by a fraternity with a 500-year-old penchant for shooting at wooden parrots.