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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

A granite primate with a view.

A volcanic spur of Lake Tahoe wrapped in Washoe sacred stories and road tunnels

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

The site of murders and Satanic cult gatherings.

A striking geological formation in Southern California.

This wooden statue commemorates a man who spent nearly 40 years waving hello to the people of Laguna Beach.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Statues pay tribute to the icons of "Killer Dana," one of California's most famous surfing towns.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.