Yuma Territorial Prison State Historic Park in Arizona has been a hub of paranormal activity. Reports include spirits of inmates on death row, a woman wandering the banks of the nearby Colorado River looking for her drowned daughter and a small child in a red dress who pinches passers-by.
Photo courtesy of iStock / Tashka

Considered one of the most haunted locations on the planet, this closed sanatorium outside Louisville is believed to be haunted by the ghosts of former patients treated for tuberculosis during the early 20th century.
Photo courtesy of Waverly Hills Sanatorium

Purportedly one of West Virginia's most haunted sites, the Trans-Allegheny Lunatic Asylum opened its doors in 1864. By the 1950s, the facility was operating way over capacity with inhumane conditions. Visitors can spend the night in the asylum during free ghost hunts open to the public.
Photo courtesy of AP Photo/David Smith

Paranormal activity reported at the St. Augustine Lighthouse includes the disembodied voice of a woman asking for help. Dark of the Moon ghost tours take visitors into the lighthouse at night to learn about the spirits that may still haunt the 1876 Keepers’ House and 1874 lighthouse tower.
Photo courtesy of St. Augustine Lighthouse & Museum

This historic ocean liner in Long Beach is considered one of the most haunted places in the the nation, and even beyond. Some visitors claim to experience the ghost of a dead sailor, children who drown in the pool or a woman in white. 
Photo courtesy of iStock / ekash

This former state penitentiary in Moundsville opened in 1876. In the years between its opening and eventually closing in 1995, the Gothic facility saw its fair share of turmoil. from prison riots to executions. These days, visitors can tour the grounds, step inside the cramped cells or even test their mettle with a midnight tour of the supposedly haunted grounds.
Photo courtesy of iStock / NoDerog

This old white frame house on a sleepy residential street stood witness to a gruesome crime, and some believe the ghosts of the victims remain. The house is open to tours during daylight hours, and it’s possible to book the house for an overnight; don’t forget your sleeping bag.
Photo courtesy of Villisca Axe Murder House

Fort Mifflin, a National Historic Landmark, was the site of a major battle in the Revolutionary War, where hundreds of soldiers on both sides lost their lives. Some believe those spirits never left and continue to haunt the battlefield to this day. Visitors can see for themselves by joining a candlelight ghost tour, paranormal investigation or overnight stay.
Photo courtesy of Fort Mifflin on the Delaware

Ever since Ceely Rose murdered her family with rat poison in 1896, the family farm has been the site of numerous ghostly encounters. Visitors report hearing voices in the hallways and seeing the silhouette of a woman sitting in the windowsill of Ceely’s former bedroom.
Photo courtesy of OHWiki / Wikimedia Commons

This peculiar mansion in San Jose has more than 160 rooms and 2,000 doors, many that cannot be walked through. Some believe Mrs. Winchester continued modifying her home to escape the spirits of those killed by the Winchester rifle.
Photo courtesy of Winchester Mystery House