The largest known medieval map of the world.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

An Australian lake whose pink hue defies scientific explanation.

A white Buddhist temple with a golden restroom.

This statue, deep in a Swedish forest, is all alone, just like the renowned recluse would have wanted.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

The winter home of millions of migrating monarch butterflies.

Monasteries on rock pillars, once accessible only by frayed ropes.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

Cave where bat-eating snakes hang down from the ceiling.

This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A century-old tradition has culminated in a small but singular collection of feline effigies.

Impossibly life-like natural history models created out of glass by a father and son.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Quite simply the largest tree in the world (by volume).

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

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

The world's largest bioluminescent area was undiscovered by science until 2005.

This fantastical icy castle is built anew every winter.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

A Belgian self-built tower inspired by the Bible and ancient civilizations.