Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This supermarket is suspended 25 feet above an interstate highway.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

A shining, cold, black organ lies in San Francisco's financial district.

A violent name for a violent volcano.

The only sea in the world that has no land boundary.

A hidden subterranean installation offers a view of the sky.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A whimsical antique shop with a strong air of mystery, filled with items from ages, and what feels like worlds, past.

There aren't too many operational funiculars around, but Pittsburgh has two!

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

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

An essential stop before plundering, BYO Cutlass.

A monumental cross hides in the trees in Golden Gate Park.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The remains of a ruined mansion memorialize the 1906 earthquake.

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

This historical theme park celebrates all things noodle.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

The unbelievably opulent home built for an infamous newspaperman.

A Japanese concept restaurant that feels like a party thrown by the monsters in your closet.

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