One of the few surviving street funiculars in the world.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

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

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

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

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

A subterranean playground in an abandoned slate mine.

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

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A unique museum tells the story of the day-to-day life of World War I soldiers.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

A basement full of treasures lies beneath this inn that has worn many hats throughout its 140+ years.

"The greatest unknown literary treasure in Los Angeles."

60 feet of towering steel balances gracefully.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

The last orange grove of the San Fernando Valley is owned and protected by CSU Northridge.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.