Picturesque Scene in Sullivan County, N.Y.

Vintage postcard from photographer Otto Hillig depicting a beautiful country scene including a road, a river, several houses and railroad tracks.

Mirror Picture In Sullivan County, N.Y.

Trees, cows and blue skies are reflected in a calm lake in this beautiful postcard titled “Mirror Picture In Sullivan County, N.Y.” by photographer Otto Hillig.

Water Falls, Ferndale, N.Y.

Vintage postcard by Otto Hillig of a beautiful waterfall scene at the hamlet of Ferndale in Sullivan County, New York.

Walnut Mountain, the Highest Point in Sullivan County, Two Miles South of Liberty

Well-known photographer Otto Hillig of Liberty, New York published this vintage postcard titled “Walnut Mountain, the Highest Point in Sullivan County, Two Miles South of Liberty.”

Callicoon, N.Y.

This peaceful river scene at Callicoon in Sullivan County, New York was captured by famous photographer and adventurer Otto Hillig of Liberty, New York.

Walnut Mt. and Chunk Hill, 2242 feet above the sea. Liberty, N.Y.

Well-known photographer Otto Hillig of Liberty, New York published this vintage postcard titled “Walnut Mt. and Chunk Hill, 2242 feet above the sea. Liberty, N.Y.”

North Branch, N.Y.

Vintage postcard from photographer Otto Hillig that shows a beautiful river scene at the hamlet of North Branch in Sullivan County, New York.

Refreshment Pavilion at the Trout Preserve, Liberty, N.Y.

Well-known photographer Otto Hillig published this vintage postcard titled “Refreshment Pavilion at the Trout Preserve, Liberty, N.Y.”

Willow Lane Beside State Road Through Sull. Co., N.Y.

Well-known photographer Otto Hillig of Liberty, New York published this vintage postcard depicting a dirt country road near Callicoon in Sullivan County, New York.

South Main Street, Liberty, N.Y.

Vintage postcard from photographer Otto Hillig depicting Main Street in the village of Liberty in Sullivan County, New York.

Claryville, N.Y.

Vintage Catskills postcard depicting the Halls Mills Covered Bridge at Claryville in Sullivan County, New York.

On the Speedway in Sullivan Co., N.Y.

Vintage postcard from photographer Otto Hillig depicting a well-dressed couple out for a ride in their cow-pulled carriage.

White Sulpher Springs, N.Y.

Well-known photographer Otto Hillig of Liberty, New York published this vintage postcard titled “White Sulpher Springs, N.Y.”

Roscoe, N.Y.

This vintage Catskills postcard depicts a peaceful river scene near the hamlet of Roscoe in Sullivan County, New York.

Campbell Inn, Roscoe, N.Y.

Vintage Catskills postcard depicting the historic Campbell Inn at Roscoe in Sullivan County, New York.

The inlet of Lake Ophelia, Liberty, N.Y.

Vintage postcard by photographer Otto Hillig of the former Lake Ophelia located near the village of Liberty in Sullivan County, New York.

Revonah Park Residence of A. J. D. Wedemeyer, Liberty, N.Y.

Vintage Otto Hillig postcard of the A. J. D. Wedemeyer residence in Revonah Park at Liberty, New York.

Horse Shoe Lake House, Stevensville, N.Y.

Vintage Otto Hillig postcard titled “Horse Shoe Lake House, Stevensville, N.Y.”

Lincoln Place, Liberty, N.Y.

Vintage postcard from photographer Otto Hillig depicting the village neighborhood of Lincoln Place at Liberty, New York.

White Sulpher Springs, N.Y.

Well-known photographer Otto Hillig of Liberty, New York published this vintage postcard titled “White Sulpher Springs, N.Y.”