A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Granting the right of way to ships over surface traffic since 1917.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

The longest non-mortared wall in the country is one man's tribute to his displaced Yuchi ancestor's five-year journey to her homeland.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Rare collectibles from automated musical instruments to 250 unique automobiles.

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

Southern California’s Theme Park Beginnings.

A cobblestone alley with an interesting past.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

A Roman-style column in Oregon hides a spiral staircase inside.

An outsider art duo's yard has been turned into a whimsical public gallery.

The highest point in Washington state is a volcano covered in glaciers.

This former coal gasification plant found a curious second life as a popular public park.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.