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.

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.

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

A huge musical instrument played by the ocean.

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

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

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

Tiki luxury on Nob Hill.

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

This private residence was the template for one of the most beloved television homes of all time.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

The longest burning light bulb in the world.

A Roman-inspired temple once controlled half of San Francisco's waters.