This natural sea cave hides a small wonderland of natural turquoise beauty.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This legendary city has been a tourist attraction for centuries.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A spectacular cave and a beguiling lake.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

The history of radiation is on safe display at the foot of a radiation science laboratory.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This museum houses an imposing skeleton army comprised of creatures great and small.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Paris' linguistic guide to the international language of, yes, love.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

The vast, legendary catacombs hold secrets much stranger than stacked bones.