A centuries-old forgotten underworld lies beneath Malta.

This church is named for one of the most dramatic tales in the early Christian church.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

The longest hedge maze in the world.

Amsterdam's former hotspot for public executions and dissections.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Home to the most complete dodo remains known - one head, and one foot.

Used as an example in one of the first dictionary entries for "museum" in 1706.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

Over a thousand musical instruments are on display, from bagpipes and harpsichords to drums and the sinuous serpent.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

According to legend, those who pray at this statue will also be granted a wish.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

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

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.