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 700-year-old street food market features baby octopus and soy donuts.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

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

Go through the looking glass in Tokyo's Wonderland-themed shop.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A second generation sun-powered marvel lights up the night.

An offbeat angle on the ocean viewed through an antiquated lens.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The oldest botanical garden in the world that technically isn't the oldest.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Go inside to really appreciate this 500-year-old technological masterpiece.

This massive subterranean fissure is known as the "underground Grand Canyon."

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.