Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Once the fastest ship from San Francisco to Tahiti, the Galilee now lays in pieces in three different cities.

A man-made island in scenic San Francisco Bay.

This 19th-century church is now a popular roller rink.

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

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Elevated freight railway turned wildly successful urban park.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

You can crawl inside this atmospheric 5,000-year-old tomb.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

Furniture tries to escape an abandoned building in San Francisco.

An vast warehouse of everyday treasures in Berkeley, CA.

An overlooked memorial honoring the local Washington residents who died in World War I.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

A private home built to resemble the shape of a microscopic creature.