Neon artworks light up this dark Edinburgh tunnel.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

The modern birthplace of Irish freedom.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

An unusual and powerful memorial in which earthquake victims are remembered by empty white chairs.

Get your meal delivered via pneumatic at this former post office.

This semi-permanent cathedral was built of cardboard, wood, and steel after Christchurch's 2011 earthquake.

The glacier tucked within a New Zealand rainforest.

Referred to as "the crappiest fountain ever," this sculpture has been splashing unknowing passersby since 1969.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The platform atop this verdant volcano was built with the help of a royal elephant.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

These temples are among the oldest free-standing stone buildings in the world.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The library's graceful rotunda is like a bibliophile's temple.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Four alabaster giants contemplate the tides on the shore of Denmark.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.