Places kalepom Wants to Go

On high feast days, the entire blue-glass front of this modern church opens up to reveal the small wooden church inside.

A subterranean display of public art and architecture.

A stairway to heaven, or to nowhere at all.

An icon of International Style architecture on the outskirts of Rotterdam.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A historic and beautiful Art Nouveau chamber in a historic railway station.

This doorless 20th-century elevator doesn't stop or slow down.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

The world's largest wooden structure.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A tiled, multi-level garden of survival in Lyon.

This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

Dummies recreate radiological discoveries from history.

Lavish royal estate punctuated with heated greenhouses.

This modern district offers a stark contrast to Bordeaux's terrace-lined squares and waterfront façades.

Open since 1977, this small museum is filled with a lifetime of finds from a tireless traveler and collector.

A neighborhood with Art Deco architecture as eccentric as its history.

A ghostly and forgotten art deco bathhouse by the windy shore of Dunkirk, weathered but still standing.

A suburban housing complex with astonishing architectural features, locally nicknamed "the Camemberts."

This "social palace" housing complex created a relatively stable and self-contained worker's society... for a time.

This massive sculptural work outside of Paris was four decades in the making—and it's still not quite complete.

An underground tropical garden sits inside a Paris Métro Station.