▲This luxury hotel was built in 1886. Located in the city of Eureka Springs, Arkansas, it is one of the spookiest hotels in the United States and it is said that ghosts inhabit it. The hotel even organizes haunted tours!

▲Located in the village of Hever, this is the castle where Anne Boleyn, Henry VIII's second wife, spent her childhood. Today it's a luxury hotel, but there are stories of her ghost being sighted there.

▲Located in Sydney, there are many myths that this hotel is haunted. According to reports, room number eight is haunted by the ghost of a sailor, who once refused to leave the hotel.

▲This hotel is famous for the ghosts which apparently haunt it. Legend says that the spirit of a woman has haunted room 320 ever since she hung herself in the attic in 1926.

▲Many celebrities have stayed in this hotel, one of the most popular in New York, and some have even died there. Nancy Spungen, girlfriend of Sid Vicious, was stabbed to death in room 100.

▲When this resort opened in San Diego in 1888, it was the largest in the world. Both guests and staff have told stories of paranormal activity in this hotel, which is considered one of the spookiest in the US.

▲Built in 1625, the castle is one of the most haunted places in Northern Ireland. Some say it has lots of ghosts, the most popular one being Lady Isobel Shaw, who apparently enjoys knocking on guests' doors.

▲Built in 1888, this hotel has a haunted room according to Canadian Living magazine. Ghosts of a murdered family apparently inhabit room 873, and there are also stories of a young girl in a wedding dress seen wandering around the building.

▲This luxury hotel was built on the site of a former political prison. It is said to be haunted by the ghosts of former prisoners.

▲This castle in the Loire Valley was built in the 11th century. Today it's a hostel, but if you're considering staying there, there's a small chance that you'll be visited by one of the ghosts that supposedly haunt it.

▲Located in the city of St. Francisville, in Louisiana, this hotel is famous for its spookiness, and offers haunted guided tours to visitors. It was built on a Native American burial ground.

▲Not far from Edinburgh, this castle was converted into a hotel in 1973. Allegedly, it is haunted by the ghost of Lady Catherine of Dalhousie, who committed suicide there.

▲This hotel, which is considered one of the most luxurious in India, is located in Bombay. A terrorist attack struck the hotel in 2008, and the ghosts of those who died are said to haunt the hotel.

▲Located in Portimão, a coastal town in the south of Portugal, this hotel is apparently haunted by the ghost of its former owner.

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Many hundred to several thousand prisoners are estimated to have died in this jail, which held Nazis and Soviet soldiers. Today it is a hotel where guests are purposefully treated like inmates. Witnesses say paranormal activity has been detected here.

▲According to various ghost hunters, this hotel is well and truly haunted. It even appeared in the program: 'Haunting: Australia,' which supposedly showed footage of paranormal activity inside this building.

▲Salem, Massachusetts is a city known for its history of witchery. Several stories of strange happenings have come from this hotel.

▲This hotel, which has over 250 rooms, is believed to be haunted by the ghost of a 17-year-old girl called Mary Masters. She died from cholera there in the 18th century.

▲This historical building is located on the island of Zealand, and some say it is inhabited by ghosts.

▲This hotel in Portland is supposedly one of the most haunted places in Oregon. Apparently, three of the rooms are more haunted than the others.

▲This is one of the oldest pubs in Wales, and can be found in the small village of Llanvihangel Crucorney. The first floor of the building was once used as a court, and many criminals were hung there.

▲Many say this is the scariest place in Tokyo, and spirits supposedly haunt the upscale hotel.

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Located in Estes Park, Colorado, this is one of the most popular haunted hotels in the world. This is the place which inspired Stephen King's 'The Shining.' There are haunted tours of the hotel, and several shows on paranormal activity have been filmed here.

Also check out the Celebrities who were found dead in hotels.

▲Many guests from this hotel in Florence say they have seen ghosts there. Reportedly, some admitted to having felt cold breath on their faces and to hearing voices.

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It's rumored that this hotel, situated in Tijuana, is haunted by a singer who poisoned her lover after he stole her money. When she refused to give him the antidote to the poison, he murdered her.

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When it comes to taking holidays, some search for adventure and take vacations to the extreme. That could mean thrill-seeking in the wild, or even staying the night at a haunted hotel. In fact, there are lots of hotels around the world who have reportedly experienced paranormal activity. Click through the gallery to see the spookiest hotels in the world!