The strikingly modern structure stands out among the brick buildings speckling the Harvard Business School's campus.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

This 19th century police station now puts the history of the Manchester City Police on display.

Home to items never before seen by the public.

A forgotten "city of water" underneath the famous Trevi district.

A reproduction of earth's many biomes.

A cabinet of curious mathematical models and old calculators.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Most famous work of one of Frank Lloyd Wright's sons.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Secret US military film studio in the Hollywood Hills.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The art and history of the velvet painting are on full display in this Los Angeles museum.

The remains of the first punk club in L.A.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Medical and zoological curiosities for sale.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

World's largest collection of serial killer artwork and other macabre exhibits.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.