Started as a kitchen garden, now the second largest botanical garden in the world.

This London plaque marks the spot where David Bowie's famous alien made his debut.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A cluttered and astounding collection of antiquities and curiosities.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

This uniquely designed bridge served as the city gate for Comacchio.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

Wandering this ancient burial place offers a glimpse of the afterlife in the fresco-adorned tombs of an ancient Etruscan civilization.

Plaques on its facade commemorate the Tiber's most destructive deluges.

This monumental fountain has moved around the city multiple times.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

A small cell adjacent to this church was once the bedroom for a renowned saint.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

This constantly evolving art space saved an Italian town from its own crippling reputation.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

One of the earliest depictions of an Arthurian scene that is shrouded in mystery.

One of Rome's most picturesque and original bridges was also a popular choice for Grand Tour artists.

A statue representing a lost Roman profession that was vandalized for centuries.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.