One of Australia's largest secondhand bookstores.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

This rare effigy of the author spent years lost in storage.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

People can't get enough of these adorable Japanese photobooths.

Come for the flowers, stay for the bats!

This spooky statue sits outside a famous Prague theater.

A surreal statue honoring Prague's favorite literary son.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

One of downtown Berlin's last reminders of its Communist past.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

The best place in the world to buy tinned fish.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

Turntable anonymously received orphans, alms, and groceries.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This semi-secret storybook hedge maze is also the oldest garden in the city.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

Once the home of a hermetic monk, this cave now houses a small church.