This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

An overlooked and unassuming engineering marvel.

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

Gold Rush-era tombstones line the park's paths.

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

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

For nearly 50 years, this San Francisco nonprofit has been serving as a mix of recycling center and art school.

Perfect your fly fishing technique on their practice ponds.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Shoot for par over the bodies of the dead on this cemetery-cum-golf course.

Guns that have been defending San Francisco since 1904.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

This smiling statue memorializes local cartoonist Bob Montana and his legendary creation.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

The 100-year-old public collection of a New Hampshire dentist that contains taxidermy, Native American artifacts, and a pair of mummy hands.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

Annual celebration commemorating the 1965 sighting of strange lights in the town.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Even Henry David Thoreau found this glacial pothole irresistible.