First LEED-certified gas station in the United States.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

Two thousand artifacts from around the world collected by one woman who loved to travel.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

A giant green dragon crawls down from the roof of the Providence Children's Museum.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

This is one really big nut.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A natural formation that resembles a camel resting in the New Mexico desert.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

There must be a pun in this haystack somewhere...

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Peek through the gates at this oasis from the city, full of Old English charm.