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

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

Tiki luxury on Nob Hill.

Its buzzing collection honors vibrator history.

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

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

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

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

Antiques by the Bay.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The vast, legendary catacombs hold secrets much stranger than stacked bones.