An informational video relating the history of Castle Williams and some of its unique architectural features.

A unique mixture of conservation history, landscape photography, photography advice, and biography in the form of a slide show about photography in the Teton Range. Use of the pause button is encouraged.

Yosemite National Park: While Yosemite National Park is known for its towering cliffs and giant waterfalls, the National Park Service also protects significant cultural resources. The Rangers' Club is one of five buildings in Yosemite with National Historic Landmark status.

Karen Pavelka, a lecturer in the School of Information at the University of Texas at Austin, talks about her experiences helping to setup a conservation lab at the Cultural Recovery Center in Port-au-Prince, Haiti.

John Watson, Instruments Conservator and Associate Curator at the Colonial Williamsburg Foundation, discusses the special considerations of conservation when artifacts remain in use.

Patrick Sparks, an engineer with Sparks Engineering Incorporated and President of Texas Dancehall Preservation Incorporated, discusses the restoration of the historic Hay Street Bridge in San Antonio and the work of the preservation organization.

Barry Stiefel, Professor in the Humanities and Social Sciences at the College of Charleston and Clemson University, discusses sustainability in preservation.

NCPTT’s Jeff Guin interviews Jill Gotthelf, coordinator of an NCPTT-sponsored workshop, and John Anderson, instructional engineer at Robert Silman Associates, at the 2010 Association for Preservation Technology conference.

Kit Arrington, digital library specialist at the Library of Congress, discusses how the Library of Congress digitizes and shares documents online for long-term public access.

In this audio file, NCPTT summer interns discuss their research. Rust conversion, herbicide usage, paint removal, and landscape maintenance are the topics discussed.

Aaron Lubeck, author of the book, Green Restorations, discusses his book and how it connects the sustainability movement with historic preservation.

Eric Schindelholz, a conservator in private practice who specializes in metals and marine archaeological materials, discusses supercritical drying.

Dennis Pogue at Mount Vernon discusses the restoration and grounds at Mount Vernon National Historic Landmark.

Carla Schroer of Cultural Heritage Imaging discusses 3D digital rock art documentation and preservation. Techniques such as reflection transformation imaging and photogrammetry are covered.

Moss Rudley, an exhibit specialist with the masonry division at the Historic Preservation Training Center (HPTC), discusses the role of HPTC in the National Park Service including work they are doing with the historic building material bousillage.

Tracy Nelson, director of the Historic Building Recovery Grant Program, answers questions about sustainability and historic preservation in this audio file.

Today we join the Historic Landscape Preservation Curriculum roundtable discussion at the Hampton National Historic Site in Maryland.

The use of lasers to remove graffiti from rock imagery is discussed. Rock imagery refers to paintings, carvings, and the like on rocks typically created by native communities.

NCPTT’s Curtis Desselles discusses developments in low-cost, metallurgical analysis. Topics covered include what eddy currents are, how NCPTT began using them, and how the eddy currents are utilized.

Nancy Finegood, executive director of the Michigan Historic Preservation Network, discusses the teaching of preservation trades to Detroit youth.

Dr. Barrett Kennedy discusses rapid documentation of historic resources. He describes the techniques he uses in detail and their benefits to projects.

Why would anyone live in a cemetery? What is a cemetery monument conservation workshop, who attends, and what is discussed? Tune in to find out.

Grand Canyon NP: Although the park has over a million of acres of land to explore, there are protected sites throughout, some of which have been preserved for thousands of years. Watch the video to get an overview of these areas.

Fort Vancouver NHS: In May 2009, a special celebration commemorated the 100th anniversary of the preservation and relocation of the McLoughlin House. Join the park's volunteers, partners, staff, and public officials as they share their reflections on the day.