"World machine" built by an untrained Austrian farmer.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Double spiral staircases are not unheard of, but they are very rare.

Apartment complexes built into huge repurposed natural gas tanks.

Op-art architecture designed for happiness.

Macabre museum devoted to historical Viennese murders.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

The deepest metro station in the world.

When you've got to go, you've got to go.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

A replica of the ice houses that once formed the basis of a local ice cream industry sits proudly in the middle of traffic.

Oversized versions of a beloved toy dot a children's playground in a Spanish toymaking town.

This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!

Ibi's pioneering toy factory now houses two small but mighty museums.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

Cliffside houses provide a spectacular view from their perch above the valley.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Turntable anonymously received orphans, alms, and groceries.

This cemetery features modernist statues as strange as its name.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.