The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

Cold war icon and onetime "hole" in the iron curtain.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A historic fire call point.

This monumental work of art symbolizes the coming together of a previously divided city.

One of downtown Berlin's last reminders of its Communist past.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

A sculpture serving as an homage to Pope John Paul II.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

A huge enchanting public park just outside the ancient walls of Rome.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

2300-year-old Roman road connecting the empire.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

A beautiful old horse stable hosts one of the largest collections of domestic animal skeletons and taxidermy.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

When the rain falls, this drain system turns into a musical instrument.