San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

The largest permanent Monopoly board makes one of the longest games even bigger.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

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

An extensive collection of ancient Egyptian artifacts and mummies.

Home to the "Circus" trees created by Axel Erlandson.

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

Olfactory delights in San Francisco's Botanical Gardens.

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

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

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

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

A psychedelic labyrinth on the San Francisco bay.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This frequently-photographed waterfall takes only a short hike to visit.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A striking 12th-century-style castle built on the edge of a cliff.

Northern Ireland's Brobdingnagian stepping stones.

The ancient tomb acts as a calendar that keeps perfect time.