Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Concrete strongholds stand guard over the Golden Gate.

An exotic wildlife habitat right off The Strip.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The unbelievably opulent home built for an infamous newspaperman.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Go inside to really appreciate this 500-year-old technological masterpiece.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Furniture tries to escape an abandoned building in San Francisco.

This giant shopping mall still holds signs of its automotive past.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

More than 700 species live within this murky marvel of a swamp on California's coast.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

It's not your typical library, memorial, or book store.

An alley covered with 20 years of bubble gum.

A sudden forest of traditional Papua New Guinean art works is hidden in a corner of Stanford University.

Home to the "Circus" trees created by Axel Erlandson.

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

Guarded by the Angel of Grief, the Stanford family tomb attracts an odd mix of halloween revelry and somber contemplation.

This odd California folly seems like it was almost designed to accumulate urban legends.

A hidden world of exotic succulents and cacti.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.