The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Abandoned hotel with adjacent lake and golf course.

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

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

What is the Thing?

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

One Confederate statue that accurately reflects the ugliness of its subject.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A mysterious monument covered in a binary code marks the heart of tech.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A former hardware store near Yerba Buena is the official home of California's history.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

Archaeologists are still unraveling the secrets of the brutal massacre that wiped out this ancient fort.

The southernmost outpost of the Russian Empire in colonial America.

A regular looking rock with an unbelievable history.

A stealthy Apache hideaway that became the haunting site of a mass grave.

A ruined hotel with an unlucky history and an eerie present.

The remote resting place of a notorious Wild West outlaw whose death is shrouded in mystery.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.