The building features one of the last remaining free-floating spiral grand staircases in the U.S.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

Bonsai trees that are up to a thousand years old.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

Tour the original street level of Port Angeles, buried underground in 1914.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

An obscure waterfall that looks like something out of a fantasy novel.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

An extraordinary mixture of natural beauty and man-made phenomena.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

A whimsical village of unique treehouses resides in a Washington forest.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

A little-known park with unusual, half-ruined structures and a mystical energy.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

This remarkable cave was discovered after a shepherd watched bees enter and exit through a small fissure.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.