In Parr Park, thousands of painted rocks line this walking trail.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

Where the embers of the Big Bang were first detected.

Executed at age 19, this Vietnamese schoolgirl is now a national hero and symbol of revolutionary spirit.

At the base of Steens Mountain resides an otherworldly desert.

Victoria's largest salt lake is a favorite haunt for photographers and stargazers.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

Singing sand that stands as the final remains of an ancient lake.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

This salad has two key ingredients: hearts of palm and green ice cream.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

Reputedly the smallest jail in North America.

The best-preserved ancient theater in the world.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

North Central Florida's largest flea market and a weekend roadtripper's dream.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This remote desert watering hole has a connection to a curious chapter of American history.

Only known mainland rookery of the threatened Stellar sea lion.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.