The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

This star-shaped military outpost is now simply trying to protect itself from neglect.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

This historic cliffside mansion uses a natural cave for air conditioning.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

One man's dream has turned into this naturally growing chapel made of almost nothing but trees.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The last bastion of Roman presence north of the Alps looms over a German town.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.

This awesome Spanish castle is so fantastical it was actually used on Game of Thrones.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

A miraculous natural phenomenon known as "the spring that breathes."

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.