The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Haunting and beautiful trees, doomed to die.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

An old-timey medicine shop that once served Chinese laborers during the Gold Rush is still open for business to this day.

Its dark depths conceal millions of rare, delicate crystal formations.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.