Places Jackson Square Cat Wants to Go

His "Lionheart" is entombed separately from the rest of his body.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

This Funeral Hearse Museum represents the finest in cadaver transportation.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

Turntable anonymously received orphans, alms, and groceries.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

Opulent downtown movie theater now houses cars as an indoor parking garage.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

This sprawling bookstore spans four floors and has more than a million books in stock.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

This German bone house contains the remains of some 20,000 souls.

A wunderkammer of mysterious objects and stories.

A slice of central Asia in the middle of Berlin.