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

The twists and turns of this serpentine maze are over 170 years old.

The world's largest collection of witchcraft regalia.

An incredibly well-preserved piece of ninth-century Viking poop.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

Norway has built what may be the world's most beautiful public toilet.

Modern commuters still pass through this 2,000-year-old Roman archway.

A comfortable-looking armchair and a grandfather clock have been sitting on this sidewalk for the last 30 years.