A celebration of capitalism in Midtown.

Try not to get slimed in Tribeca.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Cryptic messages embedded in the New York City sidewalk.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A surrealist timepiece by the artist of melting clocks.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

This Parisian café sticks almost exclusively to an ethos of reuse.

This knockout museum lies in a sleepy corner of London.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

This London plaque marks the spot where David Bowie's famous alien made his debut.

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

Giant, friendly pelicans in Central London, the most unlikely of places.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Hear the quietest sound from across the dome.

London's smallest police station is barely the size of a phone booth.

A tongue-in-cheek arcade where the games are based on everyday life.

A cluttered and astounding collection of antiquities and curiosities.

Catacombs turned marketplace.

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

The commemorative stone column conceals a secret laboratory.

A letterpress workshop committed to the art of printing, with unique and creative designs.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.