20-foot tall lamp mumbles Swedish to celebrate the holidays.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

What remains of the simple red brick chapel where the women's rights movement began.

The most powerful waterfall in all of Europe.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

A gigantic sculpture garden is packed with innovative oddities.

The premier place to experience the Victorian imagining of the steam-powered future.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

This Stockholm light tower can be controlled by anyone with a smartphone.

The world's largest model of our planetary system.

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

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The original "capsule building" is a masterpiece of Metabolist architecture.

Rivers of cattle blood gone, a strange Escheresque building remains, the last of its kind.

A five-square-mile slice of Spain on the Mediterranean coast of North Africa.

A modern Nordic Pompeii on the Icelandic island of Heimaey.