This 12-inch-tall wooden sculpture of a winged Virgin Mary has inspired much devotion and countless replicas.

It took 160 years to complete the most ornate church in Ecuador.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

A Barbados crypt where it's said that the coffins refuse to stay put.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

A burial vault located under Tiber Island in the middle of the Italian capital.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

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.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

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

A massive marble foot is tucked away in a small alley near the Pantheon.

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

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

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

These caves secretly held national treasures during World War II.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Elaborate stone houses constructed from the ruins of war.

This small chapel holds the mummified heart of one of the heroes of the Greek Revolution.