Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

Sister store to the Echo Park Time Travel Store.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A castle that was built stone by stone by an eccentric journalist.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

One man's homage to the sun continues to grow like a glass fractal.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The artist David Nash planted a circle of trees in 1977.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

A modest stone circle in North Wales.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

One family's environment-friendly hobbit-house in Wales.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The stately remains of Llywelyn the Great's mighty fortress.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

In 1396, two Scottish clans that had been violently feuding for centuries finally faced off in a bloody battle in this park.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.