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Sibley Mansion

Also referred to as Sibley Castle and River Ridge, it is the former residence of Joseph Sibley, the founder of an oil refining company called Galena-Signal Oil (the company building still sits in downtown Franklin today). Sibley gained a lot of wealth from his business and was a known friend of Rockefeller and President McKinley. In fact, President McKinley was traveling with Sibley when he was assassinated in 1901. The Sibley Mansion was built in 1913 and Sibley lived there until his death. Today the mansion is owned by Life Ministries and used for their retreats however, they do offer tours sporadically throughout the year.

Address: 870 River Ridge Rd
Hours: You must call to inquire about tour dates and make a reservation

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Listing from Wikivoyage: Franklin (Pennsylvania), CC BY-SA 4.0.

Updated 28 Sept 2026. Something wrong? Tell us.

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Venango County Historical Society
The Hoge-Osmer House is headquarters for Venango County Historical Society, and is also a house museum. The house was built by Thomas Hoge in 1866 at the close of the Civil War. The Newton Osmer family moved into the house in the early 1890s and made many renovations and additions.
May – Dec: House Museum – Tue-Thu Sat 10AM – 2PM; Research Library – Wed Thu 10AM – 2PM, call first to make sure volunteer is on duty. Jan – Apr: House Museum and Research Library – Sat only 10AM – 2PMDonation
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Venango County Courthouse
The construction of the courthouse was completed in 1868. It was designed by Philadelphian architects and built by a local builder. It was made in the Italianate architectural style, most visible in its uneven towers. Inside the courthouse there are displays of Native American artifacts, such as arrowheads and pottery, from Venango County and nearby areas.
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Fountain Park & Bandstand Park
These parks flank the courthouse on both sides, with Fountain Park to the right and Bandstand Park to the left. The parks are over 200 years old, as they were incorporated into the original city layout in 1795. The Civil War Monument was built just a year after the war ended in 1866. It contains the names of over 400 men from Venango County killed in the war. It is one of the oldest Civil War monuments in the state. The Egbert Memorial Fountain in Fountain Park was built in 1886 in memory of Dr. A.G. Egbert who gave a lot of his oil wealth back to the town. Bandstand Park contains a Vietnam Memorial, Revolutionary War Memorial and, of course, a bandstand where the Franklin Silver Cornet Band, one of America's oldest traditional town bands, plays regular concerts every summer. Applefest takes place in these parks every October.
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Saint John's Episcopal Church
The Episcopal Church also shows off the city's former wealth, with its complete collection of Tiffany Windows and mahogany pews. From the outside the church is a stunning example of Victorian architecture. However, from the inside the church is even more breathtaking. St. John's Church includes one of three complete collections of Tiffany windows in the world. All of the windows in the church were commissioned by St. John's and created by the Louis Comfort Tiffany Studios. The "rose" window above the North entrance is the second largest Tiffany window in the world, also said to be one of Tiffany's personal favorites. The pews of the church are also quite beautiful, as the wood used to make them is all from the Amazon Rainforest in South America. Guided tours are available and may be scheduled by calling the church and making a reservation with a church docent;
Self guided tours: Mon-Fri 8AM - 2PM (last: 1:30PM); Sun Eucharist: 8 & 10AM; Thu Mass: 12:05PM$4.00/person, $3.00/person in groups of 30 or more