If you think the unwashed bedspreads at some hotels can be horrifying, just wait until you visit one of these six haunted hotels, where guests have reported everything from odd smells to full-on apparitions. Several of these lodgings-of-the-damned even offer ghost tours led by experienced guides, who will fill you in on the true haunted stories behind the spooky sightings. Here’s our rundown of the most haunted hotels in America.

1. The RMS Queen Mary – Long Beach, CA

The RMS Queen Mary was originally a posh ocean liner that toted guests across the Atlantic in the mid-20th century. It was also where a 17-year-old sailor was crushed to death in the engine room while trying to escape a fire. Today, the boat is a stylish—and according to rumor, extraordinarily haunted—landlocked hotel and museum in Long Beach.

Where You May Have Seen It: the TV series “Ghost Hunters”

The Hotel’s Most Famous Apparitions: A “lady in white” has been spotted repeatedly near the front desk, and Cabin B340 is said to contain the spirit of a man murdered there.

What Was That?!: Guests have reported hearing children playing in the nursery, which is no longer operational. The (closed) indoor pool is also said to be haunted by the ghost of a young girl who persistently asks her mother for her doll.

Best Earthly Reason to Stay: Get a massage at the Queen Mary Spa or take the free audio tour included with every stay.

2. The 1886 Crescent Hotel & Spa – Eureka Springs, AR

This landmark Victorian hotel is the setting of hundreds of inexplicable stories, videos, and photos from guests and paranormal experts. Ghost tours run nightly, and every story about Crescent Hotel ghosts told on the tours has been verified.

The Hotel’s Most Famous Apparition: A handsome stonecutter named Michael fell to his death outside of Room 218. A known flirt when he was alive, he’s still said to play tricks on female guests.

First Runner-Up: You may smell the occasional waft of tobacco smoke near the elevator. It could be from the ghost of Dr. John Freemont Ellis, the hotel’s Victorian-era, pipe-smoking physician, who’s been caught on tape in a suit and top hat.

What’s in the Basement?: There’s a morgue complete with an old autopsy table and secret passages from when the hotel was turned into a cancer hospital back in the 1930s.

Best Earthly Reason to Stay: Two elegant restaurants, an onsite cafe, and a full-service salon and spa ensure visits on this side of the spectral void are more than worthwhile.

3. The Congress Plaza Hotel – Chicago, IL

Built to accommodate tourists during the 1893 World’s Fair, the Congress Plaza Hotel is one of the most haunted hotels in Chicago.

The Hotel’s Most Famous Apparition: Staff have been called to room 441 more than any other, and always for the same reason: the shadowy outline of a woman standing at the foot of the bed.

Guests Who Have Gone Down in History: Al Capone and America’s first serial killer, H.H. Holmes, used to spend time at the hotel; some say their ghosts are still present.

Sixth-Floor Horror: In the 1930s, a distraught mother threw her two children out of a sixth-floor window before jumping after them. Only one child’s body made it to the morgue. Not coincidentally, guests on the sixth floor have reported seeing a little boy who vanishes.

Best Earthly Reason to Stay: Its location on Michigan Avenue, which is a stone’s throw from Grant Park, Cloud Gate (nicknamed the ‘Bean’), and the Magnificent Mile.  

4. Hotel del Coronado – Coronado, CA

The Hotel del Coronado has been around for more than 125 years and was a filming location for the classic Marilyn Monroe comedy  _Some Like It Hot_.

The Hotel’s Most Famous Apparition: Kate Morgan—who was found dead with a gunshot wound to the head on a staircase leading to the beach in 1892—is known to send odd breezes through the room in which she stayed.

More Otherworldly Mischief: Kate is also known to jealously target gift-shop memorabilia related to Marilyn Monroe, as well as tinker with things in her old room. A businessman once awoke to find all the pillows in the room arranged in a pyramid on his computer.

How to Recover From Kate’s Shenanigans: Savor a gourmet meal made with herbs from the hotel’s beachfront garden while soaking in views of the Pacific at 1500 Ocean.

Best Earthly Reason to Stay: Coronado was recently named the #1 best beach in America by the director of Florida International University’s Laboratory for Coastal Research.

5. Le Pavillon Hotel – New Orleans, LA

Various paranormal investigators have identified anywhere from 4 to 100 ghosts at the elegant Le Pavillon Hotel, which boasts 226 rooms decked out with flat-screen TVs. pillowtop beds, and free WiFi .

The Hotel’s Most Famous Apparition: Guests of the hotel have awoken to see shadowy figures at the foot of their beds.

Creepiest Way to Wake Up: One guest woke to the sight of an old woman sitting beside him, reporting that he could _feel_ her weight on the mattress and the cold of her hands as she stroked his head and said, “I will never let you go.”

What’s With That Weird Painting?: In the hotel’s Crystal Room hangs a portrait of a royal Frenchwoman, acquired with three stipulations: that the woman’s identity would never be revealed, that the portrait would never leave New Orleans, and that no other woman’s portrait would hang in the same room.

Best Earthly Reason to Stay: The classy, chandelier-clad lounge, which boasts a classic dark wood accents and an ornate mirror fixture behind the bar.

6. The Marshall House – Savannah, GA

Human remains have been found during renovations of The Marshall House in Savannah, which served as a hospital for soldiers during the Civil War and two yellow-fever epidemics.

The Hotel’s Most Famous Apparition: Multiple guests have reported seeing a young man holding his own severed arm and wandering around, looking for someone to reattach it.

You May Also See: men wandering around the hotel in Civil War uniforms.

What Was That?!: It’s not uncommon for doorknobs to rattle for no reason, faucets to turn on by themselves, and the sounds of playing children to reverberate when no children are present.

Best Earthly Reason to Stay: Savannah’s historic River Street and the open-air City Market are both just a few minutes walk from the hotel.