Peek inside Howard Hughes' garage at this Hollywood-themed art installation.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

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

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

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

Acres of natural wonders left behind by a socialite-turned-gardener.

Abandoned bridge hidden deep in the San Gabriel Mountains.

This giant temperature attraction created some giant electric bills.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

A hidden subterranean installation offers a view of the sky.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

100 massive sculptures in the Hudson River Valley.

20,000 pieces in a Frank Gehry-designed building.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

One of two giant blue cockerel statues erected with an intentional double meaning.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The largest United States military cemetery overseas.