Alabama
Montgomery - Tutwiler Hotel

Alaska
Skagway - Golden North Hotel

Arizona
Bisbee - Bisbee Grand Hotel; Copper Queen Hotel
Flagstaff - Monte Vista Hotel
Douglas - Gadsden Hotel
Jerome - Ghost City Inn
Phoenix - Hotel San Carlos
Prescott - Hotel Vendome; Hassayampa Inn
Scottsdale - The Hermosa Inn

Arkansas
Eureka Springs - Crescent Hotel (aka America's Most Haunted Hotel)

California
Carmel-by-the-Sea - La Playa Hotel and Cottages
Coloma - Sierra Nevada House
Coronado - Hotel del Coronado
Death Valley - Amargosa Opera House and Hotel
Dorrington - The Dorrington Hotel
Fort Bragg - Glass Beach Inn; Grey Whale Inn; Lodge at Noyo River
Grass Valley - Holbrooke Hotel
Groveland - Groveland Hotel
Half Moon Bay - Zaballa House
Healdsburg - Madrona Manor
Hollywood - Hollywood Roosevelt Hotel
Joshua Tree - Joshua Tree Inn
Julian - Julian Hotel
La Jolla - Grande Colonial Hotel
Lake Arrowhead - Bracken Fern Manor
Long Beach - Queen Mary Hotel (I've been on the Ghosts and Legends tour about 3 times, and have never experienced anything but a good tour of the ship.)
Los Angeles - Figueroa Hotel
Mendocino - Mendocino Hotel and Garden Suite
Mokelumne Hill- Hotel Leger
Murphys - Murphys Hotel
Napa - Napa River Inn
Nevada City - Red Castle Inn; The National Hotel
Oakhurst - Sierra Sky Ranch Resort
Ojai - Ojai Valley Inn and Spa
Palm Springs - Korakia Pencion
Riverside - Mission Inn
Robles - Paso Robles Inn
San Diego - Horton Grand Hotel; US Grand Hotel
San Francisco - Queen Anne Hotel; San Remo Hotel
San Jose - Hyatt Hotel St. Claire
San Luis Obispo - Paso Robles Inn
Santa Maria - Santa Maria Inn
Santa Monica - Georgian Hotel
Ventura - Pierpont Inn
Yosemite - Ahwahnee Hotel

Colorado
Denver - Brown Palace Hotel
Estes Park - Stanley Hotel

Connecticut
Griswald - Homespun Farm
New London - Lighthouse Inn

Florida
St. Augustine - Casa de la Paz
Tampa/St. Petersburg - Don Cesar Beach Resort and Spa

Georgia
Augusta - The Partridge Inn
Jekyll Island - Jekyll Island Club Hotel

Illinois
St. Charles - Hotel Baker

Iowa
Bentonsport - Mason House Inn

Louisiana
New Orleans - 1891 Castle Inn; Hotel Maison de Ville; Le Pavilion; Delta Queen Steamboat
St. Francisville - Myrtles Plantation

Massachusetts
Boston - The Omni Parker House
Salem - The Hawthorne Hotel

Michigan
Marquette - The Landmark Inn

Mississippi
Natchez - Monmouth Plantation

New York
Bolton Landing - The Sagamore
Grand Island - Holiday Inn

North Carolina
Asheville - Grove Park Inn Resort and Spa
Chapel Hill - Carolina Inn

Ohio
Cincinnati - Hilton Cincinnati Netherland Plaza

Oregon
Portland - The Heathman Hotel

Pennsylvania

Bethlehem - Hotel Bethlehem
Gettysburg - Farnsworth House Inn

Texas
San Antonio - Menger Hotel

Utah

Vermont
Manchester Village - The Equinox

Washington
San Juan Islands - Rosario Resort

Washington, DC
Omni Shoreham Hotel; Hay-Adams Hotel; Renaissance Mayflower Hotel

Wisconsin
Fond du Lac - Ramada Plaza Hotel
Milwaukee - Pfister Hotel