Bob Vila takes a carriage tour of Charleston, South Carolina to bserves the historic architecture and discuss restoration techniques.

Putting an addition onto a house. Also: restoring a plaster cornice.

Repairing a slate roof. Also: a garden tour in historical Charleston, South Carolina.

Applying plaster details to a restored cornice. Also: a tour of a Georgian mansion in Charleston, South Carolina.

The restoration of an antique plaster cornice is finalized. Also: a tour of a Civil War-era mansion.

Projects include stripping siding, repainting and shutter installation. Also: a look at Georgian architecture.

Restoring a fireplace, installing a mantel, and constructing a portico.

The final touches are put on the restored Federal-style mansion.

A tour of the solarium at the Isabella Stewart Gardner Museum in Boston kicks off a greenhouse project. Included: the architect discusses the construction plans.

Insulation is installed in the greenhouse. Also: a look at two Boston solariums.

Bob Vila visits two greenhouses at Indiana State University in Terre Haute, IN.

Heating and ventilating systems are installed in the greenhouse. Also: an Indiana limestone factory is toured.

Stucco is added to the walls of the greenhouse, and a blue stone floor is installed. Also: landscaping ideas for the surrounding yard.

Guest Martha Stewart tours the completed greenhouse and helps the owner select plants during a visit to a nursery.

The foundation is laid for a small weekend getaway cottage in the woods, and a septic system is installed.

Bob Vila tours Frank Lloyd Wright's Fallingwater house near Uniontown, PA.

A chimney is built. Also: a Connecticut brick factory is toured.

Windows are installed in the cabin and the staircase is framed.

Skylights and doors are installed in the cottage.

Electricity and plumbing are installed in the cottage. Also: a cabin in New York's Adirondack Mountains is toured.

New technology in the building industry.

An energy-efficient kitchen is installed in the cabin, while landscaping begins outside.

The weekend getaway cottage is completed.