Hundreds of hidden passageways weave through the old quarters of Lyon.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

A beautiful and classically designed villa, with an hourly infestation of monsters.

Medicinal spa created with the discharge from a geothermal energy plant.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

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

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

Rising from the sea like a stone monster.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

Architectural monsters are devouring this palace's every door and window.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A museum of carnival attractions where you are invited to ride the rides.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

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