Annual technopop celebration of peace and love.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

A meditative space out of a fantasy story.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A sculpture for the sun and stars, created by Nancy Holt.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Jail from the 19th century that was built by inmates.

A few dilapidated structures are all that remain of this deserted former silver mining town.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

An Idaho legend carved out a cave village with his own two hands.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

See just what life was like in a 19th-century prospecting town.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Stay in your own little bubble.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.