A glimpse into the festive and private lives of medieval Europe.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

A silly medieval mural preserved on the side of a Viennese house.

Baroque celebration of the end of the Great Plague of Vienna.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The final resting place for the remains of 143 Habsburg royalty.

This statue honors the thousands of Allied avians that served and died for France during World War I.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

An ancient ossuary in Rouen.

A haunting medieval mural of the Danse Macabre graces the walls of this church.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Statue of a decomposing prince that once held his heart in its hand.

The stone sculpture of an Ottoman soldier is an homage to a lost Providence landmark.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A unique seaside cave where Aleister Crowley faked his own death.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."