Amsterdam's Red Light District leaves little to the imagination.

A historic observatory precariously perched at the "Top of Europe."

A restaurant and observation deck built in a unique broadcasting antenna.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A student driver's nightmare.

London's old-school healing garden.

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Rebuilt remains of a temple to Roman god Mithras.

Hear the quietest sound from across the dome.

Traditional 11th-century outdoor tannery.

Vibrant street art created with mixed media.

Mountain where Jesus was first tempted by the Devil.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Macabre astrological automaton clock dating to the late 1400s.

Come for the flowers, stay for the bats!

Popular tourist destination now stands as a memorial to Sam the koala.

Arcade chock-full of old timey, whimsical, hand-cranked automata and peepshows.

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

The middle finger of modernity.