View of Bethlehem from outside the town.

View of Bethlehem

View of Bethlehem from outside the town.

Aproach to Canterbury Cathedral.

Mercury Lane

Aproach to Canterbury Cathedral.

An illustration of Carpenter's Hall in Philadelphia, where the First Continental Congress assembled.

Outside View of Carpenter's Hall

An illustration of Carpenter's Hall in Philadelphia, where the First Continental Congress assembled.

A palmetto tree in Charleston, South Carolina.

A Palmetto Tree in Charleston, S.C.

A palmetto tree in Charleston, South Carolina.

An anthracite coal mine. Anthracite is a variety of mineral coal known by its high luster.

Coal Mine

An anthracite coal mine. Anthracite is a variety of mineral coal known by its high luster.

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either iron or steel.

Compound Riveted Girder (Vertical)

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…

English farm house

English Farm house

English farm house

Ionic Column

Ionic Column

Ionic Column

View of first-century Jerusalem. Detail from a larger engraving of the city.

City of Jerusalem

View of first-century Jerusalem. Detail from a larger engraving of the city.

Karnak is a vast grouping of ruined temples, chapels, pylons and other buildings located mear Luxor, Egypt. Built over 1300 years ago, it consists of large columns arranged in rows. It was constructed under the rein of Sesostris I in the Middle Kingdom.

Karnak

Karnak is a vast grouping of ruined temples, chapels, pylons and other buildings located mear Luxor,…

This illustration shows a light inverted bow-string girder, as well as a section.

Light Inverted Bow-String Girder (Elevation and Section)

This illustration shows a light inverted bow-string girder, as well as a section.

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of steel.

Riveted Steel Plate Girder

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of…

This illustration shows a simple lattice girder.

Simple Lattice Girder (Elevator and Elevation)

This illustration shows a simple lattice girder.

An early 20th century skyscraper.

Early Skyscraper

An early 20th century skyscraper.

Outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. 7 figures consisting of triangles, squares, and parallelograms are used to construct the given shapes.

Buildings Outline Tangram Card

Outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by the Chinese,…

Solutions for outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. 7 figures consisting of triangles, squares, and parallelograms are used to construct the given shapes.

Buildings Outline Solution Tangram Card

Solutions for outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented…

Silhouette outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. 7 figures consisting of triangles, squares, and parallelograms are used to construct the given shapes.

Buildings Silhouette Tangram Card

Silhouette outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by…

Solutions for silhouette outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams, invented by the Chinese, are used to develop geometric thinking and spatial sense. 7 figures consisting of triangles, squares, and parallelograms are used to construct the given shapes.

Buildings Silhouette Solution Tangram Card

Solutions for silhouette outlines of buildings (house, lighthouse) made from tangram pieces. Tangrams,…

The White Tower, the square building with turrets on each corner that gave it its name, is actually in the middle of a complex of several buildings along the River Thames in London, which have served as fortresses, armories, treasuries, zoos/menageries, mints, palaces, places of execution, public records offices, observatories, shelters, and prisons.

Towers of London

The White Tower, the square building with turrets on each corner that gave it its name, is actually…

A shady street in a town.

Town

A shady street in a town.

Venice: House of Gold

Venice: House of Gold

Venice: House of Gold

A drawing of the academic buildings of West Point, the United Stated Military Academy.

West Point Academic Buildings

A drawing of the academic buildings of West Point, the United Stated Military Academy.

A street scene from the 1800's of Wichita, Kansas.

Street Scene in Wichita

A street scene from the 1800's of Wichita, Kansas.