Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

Britain's oldest and biggest hole in the ground.

The largest greenhouse in the world is home to over one million types of plants.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

One could not be blamed for literally walking all over this supposed landmark.

These "bridges" help confused bats cross the road.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

This tangled English forest looks like something right out of a fairytale.

A wonderful safe haven founded in the 1960s to rescue endangered monkeys from the pet trade.