Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

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

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

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.

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

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

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Once the largest town in eastern Yuba County now sits abandoned.

This grassy, tree-lined hill shares a name with the much-loved novel that it inspired.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The best Tiki bar in Las Vegas.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

This recipe is set in stone.

The commemorative stone column conceals a secret laboratory.

One of the ghostly stops along Route 66.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

A rare surviving example of a pre-WWII Japanese garden, restored after years of neglect.

The first recognized Neanderthal remains were found in this now-lost cave in 1856.

Gorgeous purple flowers drape from the world's largest blossoming plant.

This unique sanctuary invites you to interact with the beautiful birds.