This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The ghostly remains of an accidental sea.

An inconspicuous footbridge beloved by San Diego locals.

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

Quite simply the largest tree in the world (by volume).

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A hand-built folk art installation covered with messages of God's love.

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

The "Seinfeld" diner.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.