The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

Standing in for the first ship to navigate the Northwest Passage.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

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

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

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

With the touch of a button, you can read a randomly selected short story.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

Visible below the waves are memorials to the city's Gold Rush dead.

A gap in the concrete has been transformed into a miniature playground for the mind.

An abandoned Cold War missile radar site.

Nose around a unique collection of more than 300 natural aromas used to craft fragrances.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

Megapodes incubate their eggs using the heat of an active volcano on this Pacific isle.

The ship that got left behind.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.