The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

An unassuming 13-acre park is home to over 12,000 roses.

Rows of stone statues are dressed up to mourn children that are lost before birth.

Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

Golden Gate Park's historic collection of plants.

A century and a half of research in the sciences and natural history, still going strong.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

The first and only American institution dedicated to the enduring value of comedy in the United States.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

One of two giant blue cockerel statues erected with an intentional double meaning.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The southernmost outpost of the Russian Empire in colonial America.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

The mysterious round rocks of Schooner Gulch.

Massive prehistoric mammals used these stones as oversized scratching posts.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A colorful square marks the heart of the city's LGBTQ community.