An artsy hidden staircase leads to breathtaking views of San Francisco.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A monument to the love people have for their pets.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

San Francisco’s condensed garden of incredible plant growth.

A huge musical instrument played by the ocean.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This turn of the century masterpiece has a mysterious goaty interloper.

An overlooked and unassuming engineering marvel.

San Francisco’s century-old Christmas Tree.

Visible below the waves are memorials to the city's Gold Rush dead.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

San Francisco's newly reopened hands-on science museum.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

Tiki luxury on Nob Hill.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Only hotel where you can legally launder money.

Furniture tries to escape an abandoned building in San Francisco.

A Roman-style column in Oregon hides a spiral staircase inside.