This massive redwood tree has a hole in the base big enough to drive through.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

A fascinating insight into daily life in the Eastern Bloc.

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

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

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

Metro station with a claim to rock n' roll fame.

The modern birthplace of Irish freedom.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Largest lake in Great Britain measured by surface area.

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

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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

This bridge was constructed from the rubble of the infamous Bastille.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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.

The most visited, and possibly most controversial, museum in Germany.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

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