A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A monument to Lenin has been transformed into a statue of everyone's favorite black-helmeted, fool-choking Sith Lord.

A giant robo-cockroach building devours Tokyo.

Every color in the rainbow awaits.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This Parisian café sticks almost exclusively to an ethos of reuse.

A modern-day Lascaux cave underneath Paris.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

A tribute shrine where the Space Invasion street art movement started.

Notorious artist squat renovated into legal studios.

A miniatures park with a model of Wolf's Lair as it looked during World War II.

A memorial to the murdered Jews of Kaunas.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Take a schvitz just like an infamous Soviet dictator while his unblinking eye looks on.

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

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

A tiny village is home to the world's only diner completely devoted to the many varieties of traditional Swedish dumplings.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.