Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A trash dump made beautiful by nature's power.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

America's most famous piece of self-built architecture.

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

A 140-year-old castle with underground caves hidden in San Francisco.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

A haven for wildlife amid the farmlands and development of the Willamette River Valley.

Now a secluded county park, this site was once a "health tourism" destination for wealthy Oregonians.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

You might recognize this historic Oregon mansion from its appearance in 'The Goonies.'

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.

Along the Outback Scenic Byway, adjacent to hot springs, this human-made geothermal feature takes unexplained breaks.