This grand mansion has starred in everything from Bones to Buffy.

An inconspicuous footbridge beloved by San Diego locals.

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

The only theatre in the world constructed specifically for sound movement.

A trash dump made beautiful by nature's power.

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

The legendary building that needed ghostly approval before being built.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A psychedelic labyrinth on the San Francisco bay.

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

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A tunnel with windows, so you don't miss out on the impressive views.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A Mars simulation in the southern Utah desert.

The largest island on the great salt lake is home to curious creatures and strange stories.

Come for the speed, leave in love with the desert.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

This ghost town was once a cult-like religious utopian settlement.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.