A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

Northern Ireland's Brobdingnagian stepping stones.

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

This South London cemetery holds the remains of more than 15,000 people.

Berlin's old airport.

The remains of a 12th-century chapter house in Golden Gate Park.

Golden Gate Park's historic collection of plants.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

An overlooked and unassuming engineering marvel.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A beautifully eclectic mix of architectural styles.

The curios of pharmacist and collector Henry Wellcome.

A living time capsule of the 1960s Richardson Bay water-front.

A monument to the love people have for their pets.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.