A huge musical instrument played by the ocean.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

Members of the Confederated Tribes of Warm Springs still net migrating salmon in the traditional way at this cataract on the Deschutes River.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

This work of engineering is imbued with elegance and ingeniousness.

One of the smallest parks in San Francisco honors the legacy of the "Mother of Civil Rights in California."

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

This plaque celebrates the sister city relationship between Fredricksburg and Fréjus.

One of the largest refracting telescopes in the world, and the first built specifically for studying astrophysics.

Home to the organ played at General MacArthur's funeral.

This watchtower once presided over the Berlin Wall.

Cooks at this tiny takeout spot grind their rice flour in a stone mill each morning for perfect cheung fun.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

Historical structures and natural wonders await visitors to this preserve.

This 17th-century place of worship still celebrates holidays in the traditional Swedish fashion.

A centuries-old olive tree thrives in a small botanical garden.

This disputed feline sculpture is Sweden's first MeToo monument.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

An industrial waste tourist attraction.

Housed in a stunning Victorian building, this museum has the largest exhibition of knives, blades, penknives, and scissors in Spain.

Buttermilk biscuits so nice, you'll say “yay” twice.

How did a 2,000-year-old Roman column find its way to a Chicago park?