A classically inspired temple in Redwood City.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

International delicatessen has been owned and operated by the same family for more than 110 years.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

This Oakland fairytale kingdom, fiercely devoted to childlike whimsy, was an early inspiration for Disneyland.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

Home to items never before seen by the public.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

This Italian ski resort rose to fame when Benito Mussolini was held prisoner there and then rescued by the SS.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

The only museum with its curator—and her pets—buried inside.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

Fountain where visitors can earn a license to be mad.