While you’ll need a separate visa, a trip over the border into India to visit Amritsar will allow you to discover a number of interesting attractions including the Golden Temple.
Staying in Pakistan, nature-lovers should head to Changa Manga around 80km south-west of Lahore, a British-built forest plantation which is home to a wide variety of flora and fauna and some interesting wildlife, or the fascinating Tomb of Jahangir in the town of Shahdara, across the Ravi River to the north.