Explore 10 acres of environmental sculptures.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Abandoned bridge hidden deep in the San Gabriel Mountains.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

An artist's vision for connectivity spans seven continents and 16 countries.

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

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This temple, built by an eccentric religious leader before his death, sits guarded and in ruins.

A surreal, Gaudi-inspired play space near an Anaheim community center.

A museum dedicated to a sea that should have never been.

Megachurch turned Catholic church comprised of 10,000 glass panes.

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

A world-class observatory in the California desert.

The American rainmaker and a burst dam.

Educational foundation that teaches the powers of fourth dimensional physical properties.

The site of murders and Satanic cult gatherings.

One architect's organic, human-centric design has been fully realized in this alien art house.

Longest canal tunnel in the world, abandoned in the 1960s.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

Former bridge turned into an observation tower.