The world's first floating farm is staffed by one human, three robots, and 35 cows.

A statue of the second-tallest Dutchman in history.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Sound travels strangely in this underground whispering gallery.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Sweden's "good old days" painstakingly re-created in a model village.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

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

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

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

This giant wire frame man sculpture is crouched in contemplation.

Building Men of War and Indiamen from Holland's Golden Age.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

Finally, you don't have to be a pious Swedish seaman to relax like one.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

An unusual heating plant that has garnered notoriety for its distinct shape.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A perfect turquoise lake colored with glacier dust.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.