Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Banksy gives themself artistic license with this piece of London street art.

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

This short pedestrian span is also known as the "Fairy Walking Bridge" because it looks almost magical.

The once highest point in China blends symbolic design with a kick of adrenaline.

An out-of-place slice of France, smack in the middle of Shanghai.

A son-and-daughter meat market, hawked by mom and dad.

An collection of Chinese propaganda posters from 1949 to 1979.

This psychedelic tourist trap is a leisurely descent into madness.

This former textile district now is now a thriving center for contemporary Chinese art.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This probably wasn't what Mao had in mind.

The embalmed remains of the communist leader lie within a custom crystal coffin.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

A preserved block of timber buildings from the city's industrial era in the Middle Ages.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

The oldest public library in Ireland.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.