Beirut's thinnest building was the result of feuding brothers.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

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

This 600-year-old home seems to defy physics.

The first (but not only) upside-down house in Germany.

A rare example of an ancient Japanese hill castle believed to be the fortress of a legendary demon.

A shrine dedicated to a 10th-century samurai emperor, whose head is not buried on site (contrary to popular belief).

This water goblin statue represents a 19th-century urban legend about a haunted canal that became a Japanese idiom.

A cursed torii gate still stands on the edge of Haneda Airport, decades after its shrine's relocation.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

A series of concentric circles represented a bold new experiment in socialist urban planning, and it notoriously difficult to get around.

The soaring gondola lines form the longest aerial cable car system in the world.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.