An ancient Egyptian temple in the middle of Madrid, Spain.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The world's largest reflecting pool is just two centimeters deep.

An abandoned lot littered with concrete debris was once the home of the world's first female railroad president.

Iconic red and white plaques show the creative names invented to navigate the city streets.

This aqueduct with 18th-century origins is integrated into modern life in various ways in Oaxaca.

At this Oaxaca contest, artists turn purple produce into stunning depictions of saints, buildings, and La Pietà.

One of the city's few vendors selling the Sierra Norte's ancestral beverage lies within a hidden farmers market.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

This free sculpture garden is home to over 90 artworks and installations from artists around the world.

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

An abandoned warehouse turned art sanctuary in New Orleans.

The world-record holder for the longest bridge stretching continuously over water.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

A museum and shop on Bourbon Street located in the French Quarter.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This well in the former capital of Colombia's Muisca people is the setting for a steamy legend.

An unassuming grey box sitting on San Francisco's Pier 17 is a "sky diary" of the coastal city's temperamental weather.

This colorful boulder serves as a canvas for political statements and artistic expression.

This historic roadhouse has many tales to tell of San Francisco's early history.