This former coal gasification plant found a curious second life as a popular public park.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

An extraordinary mixture of natural beauty and man-made phenomena.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

The oldest lawn bowling club in the United States.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

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

Home to one of the world’s largest collections of model yachts.

A modest reminder of treacherous waters at the Golden Gate.

A miniature view of the park, caught in time.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Guns that have been defending San Francisco since 1904.

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

Golden Gate Park's historic collection of plants.

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

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

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

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

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

In this century-old literary safehouse, print is alive and well.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

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

The seawater playground of gilded-era San Francisco burned to the ground in 1966.