Checking in: Unique Airbnb picks of the week

You can have a two-bedroom apartment in the Castrum of Serravalle, a medieval fortress in northeastern Italy, for $250 a night.

Staying behind its walls is a truly unique experience.

The apartment has two bedrooms, both with double beds.

They are separated by a large bathroom with a shower, tub and bidet.

Here’s the second, smaller bedroom.

The apartment also has access to a one-hectare private park and solarium, which is surrounded by the fortification’s ancient walls.

There’s a large living room perfect for hosting.

The dining room is fit for a king.

There’s also a terrace with a table and barbeque for dining al fesco.

If you’re looking for something more luxurious, you can stay in the Chateau Gue Chapelle, in central France, for $702.

The massive five-bedroom guesthouse, known as the Ford Chapel, was built in the early 18th century but has since been renovated.

Here’s the cozy living room.

And the modern kitchen.

Dine like French royalty.

Here’s another bedroom.

The castle has maintained a rustic feeling, despite gaining modern features.

Or take the party outside.

There’s also a beautiful property to enjoy.

The final pick is a stunning castle in western Scotland, with three bedrooms, for $297 a night.

The spectacular fortification was built in 1550 for John Carswell, Rector of Kilmartin Glen and later Bishop of The Isles. It was held by the Campbell Clan and then abandoned for 200 years.

And now it can be all yours.

Here’s the castle’s rustic living room with wood-beamed ceilings and a fireplace.

Explore its ancient halls.

The kitchen has been modernized but still maintains a rustic feel.

The dining room looks straight out of “Game of Thrones.”

You can also enjoy the sprawling grounds.

Here’s one of the bedrooms.

And its sitting area.

The bathroom is elegantly decorated.

There’s room for plenty of guests.

And here’s another bedroom.

This bath has a deep soaker tub.