13 of the world's wildest restaurants

Perlan (The Pearl) Reykjavik, Iceland
Sitting atop several hot water storage tanks on a hill overlooking the Icelandic capital, The Pearl houses a high-end restaurant in its glass, domed structure. (Photo: Flickr / Óðinn V. Árnason)

Ristorante Da Pancrazio Rome, Italy
Housed in the ruins of the ancient Theatre of Pompey, diners can enjoy old and new Roman cuisine while surrounded by a piece of the city's unrivaled history. (Photo via Facebook)

Berggasthaus Aescher-Wildkirchli Swiss Alps
Accessible only by cable car, the 40-bed Aescher hut is accessible only by cable car, and sits nearly 1,500 metres above sea level. (Photo: Flickr / Kecko)

UFO Bratislava, Slovakia
Sitting atop the 277 ft. pylon on Bratislava's Nový most bridge is UFO. The restaurant is accessed by an elevator inside one of the supporting pillars. (Photo via Facebook)

The Rock Restaurant Zanzibar, Tanzania
Sitting on a rock outcropping just off of Michanwi Pingwe beach, The Rock can be accessed by wading or small boat. Once there, diners select from a wide range of seafood options, which only makes sense at a restaurant sticking out of the ocean. (Photo via Facebook)

Sarnic Restaurant Istanbul, Turkey
Tucked away behind one-time-church, one-time-mosque and now museum Hagia Sophia is Sarnic, built in what was originally a Roman cistern for water storage. The building is over a thousand years old. (Photo from official website)

Maiden Tower Restaurant Istanbul, Turkey
Built on a small islet off the coast of a bustling district of Istanbul, the Maiden's Tower was first constructed by a Byzantine emperor in 1110. Damaged and restored several times in the proceeding centuries, it now houses a restaurant with beautiful views of the city. Boats make several trips to the tower every day. (Photo from official website)

Sounds of Silence, Ayers Rock Resort Australia
In the heart of the Australian outback with a clear view of the famed rock from which it derives its name is the Ayers Rock Resort. Their Sounds of Silence dinner serves its customers under the a huge sky with Uluru looming in the distance. (Photo from official website)

Ali Barbour's Cave Restaurant Kenya
Situated 30 kilometres south of Mobasa in a cave thought to be tens of thousands of years old, Ali Barbour's Cave Restaurant sits at depths up to 10 metres below ground level, yet is open to the sky through naturally-occurring holes in the cave ceiling. (Photo via Facebook)

CuliAir Luchtballon Restaurant Netherlands
CuliAir SkyDining takes diners up over various parts of the Netherlands in a specially-equipped hot air balloon. Chef Angélique Schmeinck prepares dinner using the same heat keeping the balloon afloat. (Photo via Facebook)

Sirocco Bangkok Bangkok, Thailand
The world's highest open-air restaurant sits on the 63rd floor of one of the tallest buildings in Thailand, providing breathtaking views of the sprawling city of Bangkok. (Photo via Facebook)

Carn Brea Castle Cornwall, UK
A 14th-century castle resting on a hill in the southwestern English county of Cornwall, Carn Brea is now home to a Middle-Eastern restaurant. (Photo via Facebook)