2300-year-old Roman road connecting the empire.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

A Turkish ghost town abandoned in a population exchange with Greece.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Roman ruins top white travertine terraces formed by ancient hot springs.

This statue is the only female representation of Rome's "talking statues."

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

This is the oldest Roman-made bridge in the city still existing in its original state.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

In 2013, historians discovered a hidden room devoted to the art of making royals' hot chocolate.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Venice's "Island of the Mad."

Walk through Czech history in Prague's largest graveyard.

Macabre astrological automaton clock dating to the late 1400s.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the smallest bookstores on the planet.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.