This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

A series of labyrinths in the Nevada desert inspire meditation and calmness.

A glimpse into the lives of the the Miwok and Paiute people in Yosemite National Park.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A collection of haunted objects and macabre oddities under one roof.

The Giant Lemon of Lemon Grove.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

North America's largest accredited model railroad museum.

One of the largest trees of its kind in California.

An inconspicuous footbridge beloved by San Diego locals.

A house built from trash known as the poor man's Hearst Castle.

The ghostly remains of an accidental sea.

The echoes of a railroad town that solemnly mark the end of the line.

A Biblically-based Natural History Museum.

World's largest collection devoted to one fruit.

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

A museum dedicated to a sea that should have never been.

A Mysterious Masonic tomb in San Luis Obispo.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.