These millipedes glow not out of attraction, but as a not-too-subtle warning.

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

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

San Francisco's newly reopened hands-on science museum.

The ghost town that ended up on Ebay.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

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

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

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

A hotel and restaurant serving as the mecca of kitsch.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The ghostly remains of an accidental sea.

Towering basalt columns, a creation of fire and ice.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

The rocks in this arid basin leave trails of movement behind them.

A terrific purveyor of natural history objects and curios.

This Elizabethan hedge maze is one of only six in North America.