Local lore says two enemy dragons live within these breathtaking mountain lakes.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This abandoned Greek island was the last active leper colony in Europe.

The abandoned summer estate of the former Greek Royal Family.

A 200-year-old prison that now houses a peculiar crime museum.

Malaysian fireflies create a dazzling display as thousands light up in unison.

A surreal museum of extraordinary industrial objects.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This classic restaurant features a gorgeous mirror-clad room.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Walk 2,300 feet above the ground on the "Troll's Tongue."

An eerie, derelict amusement park in Berlin.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

This Parisian café sticks almost exclusively to an ethos of reuse.

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.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.