This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A sweet symbol marks the place where torturous executions were once carried out.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Protecting the dead from opportunistic body snatchers.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Largest lake in Great Britain measured by surface area.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Ancient snack bar of the Roman Empire re-opened.

An unusual round church in London with a Templar past.

Giant, friendly pelicans in Central London, the most unlikely of places.

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

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Baroque celebration of the end of the Great Plague of Vienna.

Climb inside an iron crystal magnified 165 billion times its normal size.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Copenhagen's celebrated theme park and gardens.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Hear the quietest sound from across the dome.