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

Along a California highway is a kind of Jurassic Park made of metal.

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

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The curiosities and wonders of pharmacy in a delightful historic building.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

A mysterious spirit totem at the edge of Navajo lands.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

This historic national park is covered in the stunning ruins of red rock pueblos.

Limestone caves with spectacular showcase chambers.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The Magical World of George Phar Legler.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Outsider Art Community.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.