A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Amsterdam's Red Light District leaves little to the imagination.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This unusual elevator doesn’t stop or slow down.

Amsterdam's former hotspot for public executions and dissections.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

The attic of a four-century-old canal house hides a clandestine church.

The largest flower auction house in the world.

The most beautiful Taco Bell in the world even has surfboard parking.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

The headquarters of a secretive order is also a beautifully-designed park.

This small monument to the great inventor contains a time capsule and a Wi-Fi hotspot.

The world's most famous donkey lives in this pen.

A gathering of green robots at the Googleplex.

This historic graveyard was partially paved over to create a streetcar line.

San Diego's most historic and haunted home.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

The final resting place of the Emperor of the United States and Protector of Mexico.

A vast city of the dead, where the deceased outnumber the living by more than a million.