Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

The final resting place of the poets Shelley and Keats.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

Secret refuge and museum of the Duke of Florence.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The largest and most famous wax anatomical collection anywhere in the world.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The oldest operating pharmacy in the world features 800-year-old recipes.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A mocking tribute to the past and modern leadership of Prague.

Macabre astrological automaton clock dating to the late 1400s.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Most prolific publishing house in the 1600s open to the public.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

Science meets wall art to highlight the beauty of famous mathematical equations.

A former plague hospital turned medical museum.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.