What is gateway arch?

Gateway Arch

The Gateway Arch, or Gateway to the West, is an arch that is the centerpiece of the Jefferson National Expansion Memorial in St. Louis, Missouri. It was built as a monument to the westward expansion of the United States. At 630 feet (192 m), it is the tallest man-made monument in the United States, Missouri's tallest accessible building, and the largest architectural structure designed as a weighted or flattened catenary arch.

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Some articles on gateway arch:

The Inverted Catenary Arch
... The Gateway Arch in St ... While a catenary is the ideal shape for a freestanding arch of constant thickness, the Gateway Arch is narrower near the top ... National Historic Landmark nomination for the arch, it is a "weighted catenary" instead ...
Architecture Of St. Louis, Missouri - Landmarks and Monuments
... riverfront, many pre-Civil War buildings were demolished during construction of the Gateway Arch ... Now popular for its restaurants and nightclubs, the district is located north of Gateway Arch along the riverfront ... magnificent stainless-steel gesture, the Gateway Arch, centerpiece of the 91-acre (370,000 m2) riverside Jefferson National Expansion Memorial ...
Gateway Arch - Maintenance
... of vandalism was committed in June 1968 the vandals etched their names on various parts of the arch ... The arch was first targeted by graffiti artists on March 5, 1969, but the vandalism was easily removed ... studied the corrosion on the arch and suggested additional examination ...

Famous quotes containing the words arch and/or gateway:

    Men seem anxious to accomplish an orderly retreat through the centuries, earnestly rebuilding the works behind them, as they are battered down by the encroachments of time; but while they loiter, they and their works both fall prey to the arch enemy.
    Henry David Thoreau (1817–1862)

    Antithesis is the narrow gateway through which error most prefers to worm its way towards truth.
    Friedrich Nietzsche (1844–1900)