For a truly unique experience, stay at one of the many cave hotels that have guest rooms carved into the rock. These 10 are some of the coolest you can book!

Spend the night in one of America's most unique stays, carved into New Mexico's cliffside with stunning views of the desert ...

The Harlingen Harbour Crane Hotel lets guests stay in a fully refurbished harbor crane built in 1967. You must take two lifts to reach your room, which was once an engine room.

Four rooms even have an in-room pool for private dips anytime day or night. Argos has won numerous awards including the World Luxury Hotels Awards two years in a row.

Take a tour inside one of the darkness retreats at Sky Cave Retreats in Oregon where Aaron Rodgers completed an isolation retreat on Wednesday.

Best Hotels & Resorts Aquatio Cave Luxury Hotel & Spa in Matera Aquatio Cave Luxury Hotel & Spa leans into the region’s understandable adoration of its caves.