The first park built over a freeway is a brutalist masterwork.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Couple's personal collection of pinball machines turned public pinball museum.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

A motley, fantastical agglomeration of unlikely houseboats along the Shoreham-by-Sea riverbank.

Serving you alcohol with a side of insanity. Also, costumes!

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

A former French military respite turned jungle tourism hotspot.

A real-life replica of a home from Hayao Miyazaki's beloved movie "My Neighbor Totoro."

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

Turntable anonymously received orphans, alms, and groceries.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

The headquarters of the famous Yale society.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

This ruined folly was originally built to honor a failed American state that would have become "Westsylvania."

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

An avant-garde artist is survived by his seaside garden.

A house of bones — but nobody is quite sure to whom they belong.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

Countless grotesque faces stare out from this eerie Prague art wall.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

The remnants of a strange stilted building on rails can still be seen at low tide.

Half-drowned wooden stumps and stone blocks are all that remain of a Victorian landing that was destroyed by storms.