Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Legends of treasure and spirits flow from this this fairy tale-like oasis.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

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

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

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

Space-age monument to an early 20th-century uprising.

The world's only museum devoted to the wonders of fluorescence.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

In one of the world's smallest countries, a royal's personal winery is open to the public.

3,000 market stands in five former Zeppelin hangars.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant