1. Dairsie Castle, Fife.
Price per night: £500
Sleeps: 13 people
• An actual, honest-to-god 12th-century castle owned by Historic Scotland.
• It has a Great Hall with a minstrels' gallery, and a dungeon just in case you need to lock away misbehaving guests.
2. Boris the Military Pod, Kylerhea, Isle of Skye.
Price per night: £60
Sleeps: 2 people
• "Boris" is a converted mobile military communications and radio repair unit.
• He's parked in a wildlife preserve within the grounds of a traditional croft, and his owners also offer 4x4 jeep tours of the island.
3. The Open Book, Wigtown.
Price per night: £27
Sleeps: 2 people
• You can stay in the pretty, private apartment above this bookshop for a reduced rate if you help serve customers.
• The owners also throw in two bicycles so you can explore the surrounding countryside for free.
4. Sweeney's Bothy eco-cabin, Isle of Eigg.
Price per night: £65
Sleeps: 2 people
• This purpose-built wilderness bothy is intended for use as an artist's studio, but it's available to non-artists too.
• It has an outdoor shower and a compost loo to really help you feel connected to nature.
5. Bogancloch Treehouse, Rhynie, Aberdeenshire.
Price per night: £17
Sleeps: 2 people
• No, you're not imagining things: This really is a 1960s touring caravan perched in a tree. Sleepwalkers should probably steer clear.
• It was originally a location for the 2012 film Two Years at Sea.
6. Helmsdale Station House, Sutherland.
Price per night: £100
Sleeps: 8 people
• Part of this working railway station has been converted into guest accommodation as part of a community project.
• It's a Grade B listed building in a pretty Highland fishing village, and it's just a 10-minute walk from the harbour.
7. Geodesic Glamping Domes, Killin, Loch Tay.
Price per night: £75
Sleeps: 3 people
• These fancy domes are equipped with wooden floors, log-burning stoves, and oil lamps, but not electricity.
• They also look out over Loch Tay and Ben Lawers, so you can enjoy spectacular views while lounging in your double bed.
8. Turf-roofed eco-lodge, Isle of Islay.
Price per night: £150
Sleeps: 2 people
• A Scandinavian-inspired eco-friendly bolthole with sea views over to the Laphroaig distillery.
• Comes with a telescope so that you can see the whisky (and wildlife) more clearly.
9. Shepherd Huts (Bothan Beileag), Isle of Skye.
Price per night: £90
Sleeps: 2 people
• These pretty shepherd's huts are part of a working croft, and share a field with donkeys, hens, and sheep.
• Each hut comes equipped with a wood-burning stove, electricity, and a double bed. Breakfast is included as well.
10. "Boatel", Edinburgh city centre.
Price per night: £185
Sleeps: 6 people
• This luxurious, Wi-Fi enabled, snug houseboat is moored in Tollcross, just 15 minutes from Edinburgh Castle.
• Sadly, the metal swans aren't included in the price; please don't try to take them with you.
11. The Old Church, Urquhart, Morayshire.
Price per night: £70
Sleeps: 4 people
• This church conversion near the Moray Firth features a vaulted dining room, and has two acres of grounds.
• The listing is for a private apartment in the old vestry; you access it by going down some steps behind the altar.
12. Wheems Kyrgyz Yurt, South Ronaldsay, Orkney Islands.
Price per night: £45
Sleeps: 4 people
• This traditional Kyrgystani yurt overlooks the sea, and is part of an organic farm.
• It doesn't have electricity, but guests are allowed to light a fire (which also helps keep the midges at bay).
13. The Whisky Barrel, Findhorn, Forres.
Price per night: £35
Sleeps: 2 people
• This whisky-barrel-shaped building is actually a B&B within the Findhorn spiritual community and eco-village.
• Rooms are circular, beds are curved, and the price includes a vegan or vegetarian home-cooked breakfast.
14. The Alexandra Lifeboat, Cuan Sound, Argyll.
Price per night: £50
Sleeps: 6 people
• 110-year-old decommissioned lifeboat perched on a strip of land between the islands of Luing and Seil.
• It's no longer suitable for sailing, so try not to get drunk and launch it into the sea.
15. The Signal Tower, Leith, Edinburgh.
Price per night: £39
Sleeps: 2 people
• This quirky building was a windmill when it was first built in the 1600s, and was converted into a signal tower for ships in the 1800s.
• It has views out across to the Firth of Forth; it's also slap-bang in the middle of Leith's trendy, bar-filled Shore district.
16. Mission Hall, Crovie, Aberdeenshire.
Price per night: £80
Sleeps: 4 people
• The unique village of Crovie is perched on a narrow ledge beside the sea. It isn't wide enough for cars, so it's completely traffic-free.
• This former church building has a veranda, so you can sit and spot whales, seals, and dolphins as you sip your morning coffee.
17. Carna Private Island, Argyll.
Price per night: £165
Sleeps: 6 people
• If you're feeling particularly antisocial, you can rent an entire 600-acre private island in Loch Sunart for just £27.50 per person.
• Accommodation is in a traditional stone blackhouse, and the price also includes the use of a motorboat to help you get around.
18. Carlowrie Castle, Edinburgh.
Price per night: £2,751
Sleeps: 16 people
• If you're feeling flush, you should definitely hire this lavish, recently renovated, 162-year old castle near Edinburgh Airport.
• It features a drawing room, butler's pantry, library, dining room, and orangery, and seems to have been decorated by a Kardashian.