A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

An unusual round church in London with a Templar past.

The sign at the garden gate reads: "These Plants Can Kill."

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

These fantastically named natural pools look like something out of a Scottish myth.

This amazing 15th-century mural remained hidden in plain sight for centuries.

Built in the 1300s, this magnificent building that hosted England's kings and queens transports you to the Middle Ages.

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

Once used to protect important Roman trade routes.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

The grand complex of buildings that comprise Liverpool's Exchange Flags includes a vast World War II bunker that has been frozen in time.