The mysterious round rocks of Schooner Gulch.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Submerged lava formations create incredible waterworks.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

A classically inspired temple in Redwood City.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

This painted marvel is San Francisco's 400-foot ode to urban biking.

This eatery transports diners to a place that no longer exists: East Germany.

An essential stop before plundering, BYO Cutlass.

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

The miraculous hydrant that saved the Mission District in 1906.

A tribute to the artist and activist who created the rainbow pride flag.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

This surreptitious shop is only open five hours per week.