Secret Scotland with Susan Calman

The comedian's latest Scottish tour covers Falkirk and the Lothians. She takes a canal boat trip that includes a look behind the scenes at the world's only rotating boat lift. Venturing into Midlothian, she visits a royal hideaway with a dramatic history and tries her hand at falconry. She also visits the site of the world stone-stacking championship and learns the secrets of a small island with links to smuggling that is believed to have inspired Treasure Island.

The presenter explores the beautiful Trossachs and west of Scotland, a place filled with dramatic scenery and abundant with iconic glens, impressive castles and rare wildlife. Susan begins at the fairy-tale Castle of Inveraray, where she goes behind the scenes with His Grace, the Duke of Argyll, head of Clan Campbell, to reveal some amazing secrets that may not be for the faint hearted. At the picture-perfect Loch Katrine, the comedian gets exclusive access at a world-class feat of Scottish engineering and in Inverawe, discovers the secrets to Scotland's world-famous smoked salmon.

The comedian explores the Kingdom of Fife and the East, starting at Falkland Palace - a former retreat of Scottish royalty. Once a hunting lodge to eight Stuart monarchs, it is the final resting place of King James V. Susan also visits Wemyss Caves, home to the largest collection of Pictish carvings in the world, and is invited into a little-known cave whose location must remain secret. Later, she is surprised to find a Japanese garden hidden deep in the countryside and gets the chance to bat for the world's only beach cricket club on Elie beach.

The comedian explores the Borders region, heading to a secret woodland in Galloway Forest, where she meets some cute and ardently protected red squirrels. She then enjoys a tour of Traquair House which, at 1,000 years old, has played host to historic figures such as Bonnie Prince Charlie. Susan is in her element as the 21st Lady of Traquair reveals secret stairwells and Mary Queen of Scots' bed. To the south, in Eastriggs, Susan visits the site of the world's largest munitions factory, where thousands of female workers produced explosives during the First World War.

The comedian explores Grampian and the Central Highlands, going behind the region's most iconic sights to see what the tourists miss - and unearth the hidden gems in her home country. She begins her journey in Perthshire at Blair Castle, which has a unique claim to fame as the home of Europe's only private army. From there, Susan travels to Invergordon, where she goes underground to explore an amazing feat of wartime engineering and the home of a world record-breaking echo. In the Cairngorms, the comedian meets a special and charming group of animals - Britain's only wild reindeer herd.

The comedian explores Aberdeenshire and Angus on Scotland's north-east coast - a vast area of cliffs, beaches, rolling hills and fertile farmland. Susan begins with a visit to Glamis Castle, the childhood home of Her Majesty the Queen Mother, where she learns about the castle's role in the Second World War, tells the time on Scotland's largest sundial and is let loose with the pruning shears on a very special grape vine. Later, Susan is given a crash course in seal first aid and learns of the Aberdonian who inspired escapologist Harry Houdini.

The comedian explores the area between Glasgow and Edinburgh, paying a visit to the Royal Botanical Gardens and setting to work as an assistant keeper at Edinburgh Zoo. She learns about Scotland's forgotten ceramics industry during a visit to the seaside suburb of Portobello, gets a crash course in laying tables on the Royal Yacht Britannia, and gains special access to the country's busiest railway station.

The comedian ventures to the islands of Mull and Staffa, nestled along the west coast of Scotland and home to some of the most breathtaking sights the country has to offer. Beginning her trip in Staffa, Susan visits the cathedral-like cavern of Fingal's Cave, one of the UK's true natural wonders formed over thousands of years. Her need for speed is fulfilled when she witnesses the Mull Rally, while in Tobermory, she visits a biscuit factory run on sustainable energy. Lastly, the presenter goes in search of the largest bird of prey in the UK - the white-tailed sea eagle.

The comedian ventures off the mainland to the Isle of Bute for a privileged look at what is said to be Scotland's first million-pound home - Mount Stuart House. In Argyll, Susan visits Kilmartin Glen, an ancient valley and home to the Scotti people who gave Scotland its name. She visits a Bronze Age tomb and learns how to make a copper axe in the way they were made thousands of years ago. Then, on the shores of Loch Fyne, she discovers the secrets of oyster cultivation before looking for beavers in the beautiful Knapdale Forest.

The isles of Lewis and Harris form Britain's largest offshore island, with a rich history dating back thousands of years. Susan seeks out the home of the world-famous Harris Tweed, visiting a local weaver where she tries her hand at making some of the fabric. Then in Habost, she learns how to Step Dance - a centuries old practice that was almost lost from Scotland for ever. At Callanish, Susan visits some awe-inspiring Neolithic giants - 49 standing stones, predating Stonehenge and steeped in mystery. Nearby, she learns the secret to jewellery making that captures the texture of these ancient standing stones.