Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Nuclear waste dump site now an environmental sanctuary.

Golden Gate Park's historic collection of plants.

This private residence was the template for one of the most beloved television homes of all time.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

Tiki luxury on Nob Hill.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

These ornate arches show how the course of the River Thames has changed.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Secret North Korean passage discovered below the world's most dangerous border.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.