A strange house built only at night, with rumored mystic inspiration.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

The stately birthplace of California's statehood.

The oldest continuously operating church in California.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

This historic tower in the California desert promises visitors a "vortex of good vibes".

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

The rocks in this arid basin leave trails of movement behind them.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The ruins of the castle that chemicals built.

A popular winter vacation destination for migrating monarch butterflies.

One of the last free public hot springs is decorated with hippie art.

The liveliest ghost town in the state.

Acres of natural wonders left behind by a socialite-turned-gardener.

This California tree is the single source of the state's entire orange industry.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.