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

An overlooked and unassuming engineering marvel.

This 19th-century church is now a popular roller rink.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

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

One of Europe's largest supercomputers is housed inside of a disused chapel.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.