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 Japanese national treasure was originally built in 593.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The 10,000 Torii shrine.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Not quite the menace it once was, this monster still has some chops.

This unattributed sculpture in Amsterdam is hiding in plain sight.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

What happens when a sculptor has to find a way around a 100-year-old copyright.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This working class sculpture pounds his hammer all the livelong day.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A wall of chewing gum moonlights as collective art.

A colorful architectural gem in Seattle’s uniquely modern Central Library.