This unreal Portuguese palace looks as though it's made from a pile of different castles.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

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

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

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

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

Thousands of lawn gnomes have infested this Australian roundabout.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

These eerie outliers of the lightning bug family glow a mysterious blue color.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

A walkable map of the world, made from soil and stone by one man.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.