This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

This whimsical, unique clock has been entertaining shoppers for well over 20 years.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

The bronze uniforms commemorate the vital role of women during World War II.

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

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

This sprawling, Brutalist estate feels like a city within a city.

The extra platform at Gloucester Road has been used for art displays for over 25 years.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

This banal Parisian entranceway is not what it seems.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

This beloved cheeseburger-slinging trailer holds Nashville's oldest beer license.

This replica of the Greek structure is in the heart of Nashville.

The 10,000 Torii shrine.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

This bar is filled with Star Wars merchandise from around the world, all of it unlicensed knockoffs.

Thousands of people walk over this fantastic work of art every day, but how many notice it?

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.