
Historical context and known paranormal claims surrounding Wonder Bar.
The Wonder Bar in Casper, Wyoming represents a building with a distinctive history rooted in the American West's frontier culture and the transformative social upheaval of the Prohibition era. The structure was originally established in 1914 as a horse-friendly cowboy pool hall, reflecting the western frontier heritage of the region when Casper was developing into an important center for cattle ranching and commerce. The facility served the local cowboy and working-class communities, providing entertainment and social gathering space in the manner typical of western establishments during the early twentieth century. During the 1930s, the building underwent significant transformation, relocating to a new location and assuming the name Wonder Bar, positioning itself as a more sophisticated establishment while maintaining its roots in local entertainment culture.
The building's most significant historical period occurred during Prohibition when it operated as a speakeasy, an illegal drinking establishment that provided alcoholic beverages in defiance of the federal ban on alcohol production and distribution. During these years of clandestine operation, the Wonder Bar became a center of criminal activity, violence, and transgressive behavior as organized crime elements and desperate individuals converged on locations where illicit liquor could be obtained. The basement of the building served as a storage and distribution point for contraband alcohol, while the upstairs areas hosted card games, gambling, and other morally questionable activities. The speakeasy culture created an environment of danger, desperation, and ethical compromise that left psychological and possibly supernatural residue within the building's walls. Multiple violent incidents, deaths, and mysterious disappearances have been historically associated with the establishment during this lawless period.
The paranormal manifestations at Wonder Bar have been extensively documented by both employees and paranormal researchers, suggesting that traumatic events from the Prohibition era left distinct impressions on the location's psychic landscape. Employees have reported feeling sudden pressure applied to their bodies by unseen forces, as though being physically pushed by an aggressive entity. Footsteps echo through the upstairs area when the building is completely empty and supposedly locked. Eerie orange and yellow glowing apparitions manifest without apparent source, while glasses inexplicably fall off the bar counter despite being securely placed. Witnesses have reported hearing children's voices laughing and playing in the upstairs areas, particularly disturbing given the violent history of the location. One well-documented encounter involved a cleaning lady and her cat witnessing a full apparition descending the staircase. The building's basement and bar areas exhibit the most concentrated paranormal activity, with numerous investigators documenting shadow figures, temperature anomalies, and physical contact from unseen presences.
Today, the Wonder Bar continues to operate as a commercial establishment while maintaining acknowledgment of its haunted status and turbulent history. The building represents a tangible connection to Casper's past and the complex history of Prohibition-era America. Paranormal investigation teams have conducted formal investigations of the site, documenting evidence they believe supports the presence of multiple entities within the structure. The spirits appear to remain fixated on the location where they experienced significant trauma, whether through violence, loss, or the desperate circumstances that characterized speakeasy culture. The Wonder Bar has become a destination for paranormal enthusiasts and historical researchers interested in experiencing firsthand the supernatural phenomena that continue to manifest within its walls.
bar restaurant
Casper, Wyoming
Natrona County
February 26, 2026
Demolished

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Types of documented activity recorded at Wonder Bar, organized by category.
Specific areas within Wonder Bar where activity has been documented.
Entities, spirits, and figures that have been identified or reported at Wonder Bar.
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Paranormal reports and documented occurrences compiled for Wonder Bar from archived sources and community investigators.
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Based on investigator reports, these are the most active areas, times, and conditions reported at Wonder Bar.
Late Night
Equipment and investigation methods reported by community investigators at Wonder Bar.
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Important details to help plan your visit or investigation of Wonder Bar.
Restricted
Demolished
Not specified
Referenced materials and documentation supporting the Wonder Bar case file.
Detailed descriptions of each type of activity documented at Wonder Bar.
Apparitions
Definition
A reported visual sighting of a human-like or shadow-like figure without a physical source.
What People Report
Witnesses describe full-body figures, partial forms, or fleeting silhouettes appearing in hallways, doorways, or peripheral vision. These sightings are typically brief and may vanish when directly observed.
Disembodied Voices
Definition
Audible speech heard without a visible speaker present.
What People Report
Witnesses report whispers, direct responses, conversations, or voices calling their name in otherwise quiet environments. These events may occur during investigations or spontaneously in residential settings.
Object Manipulations
Definition
Objects reported to move, shift, or fall without visible physical interaction.
What People Report
Items may relocate across rooms, disappear temporarily, or be found in unusual positions. These reports often involve repeated displacement patterns.
Shadow Figures
Definition
A dark, human-shaped silhouette seen in peripheral vision or dim lighting.
What People Report
Typically described as featureless and quickly vanishing when directly observed, shadow figures are among the most commonly reported visual phenomena.
Information in this case file is compiled from public sources and community reports. Accuracy cannot be guaranteed. Always verify details before visiting, and check with property owners and local or state authorities to confirm access is permitted.
Access to this location is restricted. Unauthorized entry may result in legal consequences.
This structure has been demolished. The site may no longer be accessible or recognizable.