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Unbuilt project

Strong Planetarium for Gordon Strong Automobile Objective,

Architect
Frank Lloyd Wright
Place
Sugar Loaf Mtn., Maryland, United States
Construction
Not established as a completed building
Design / archive date
1924
Catalogue reference
FLWFA 2505
Strong Planetarium for Gordon Strong Automobile Objective, — photograph 1
Lowell Silverman at English Wikipedia · Public domain · Original photograph source

Sugarloaf Mountain, Maryland. I took this photo on 17 August 2005 from a lot near the Comus Inn, located 2.5 miles east of the mountain's summit.

Architecture & history

The Gordon Strong Automobile Objective was a proposed planetarium, restaurant, and scenic overlook designed by American architect Frank Lloyd Wright for the top of Sugarloaf Mountain in Maryland. Wright developed the design in 1925 on commission from Chicago businessman Gordon Strong. A spiraling ramp featured centrally in Wright's plan; this was his first use of a feature which would later gain fame as part of his Guggenheim Museum in New York.

Reference overview adapted from Wikipedia contributors under CC BY-SA 4.0. Formatting adapted for Arch Moods.

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Entries include buildings, alterations, project variants and unbuilt designs—not a count of surviving buildings. Design dates and construction dates are shown separately.

The works.

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Built work · 1937

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Unity Temple

Oak Park, Illinois, United States

Built work · 1907–08

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Taliesin III

Spring Green, Wisconsin, United States

Built work · designed 1925

Unity Chapel

Unity Chapel

Spring Green, Wisconsin, United States

Built work · 1886

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This atlas combines the Avery architectural drawing inventory with a published building index. Individual profiles link to their references. An archive record does not, on its own, establish that a building was constructed. Unknown construction dates and missing photographs are marked explicitly; unbuilt schemes are never presented as completed buildings.

Longer reference overviews and building-index material are adapted from Wikipedia contributors under CC BY-SA 4.0. Each photograph has its own creator, source and reuse licence. Restricted architectural drawings are linked to their archive rather than reproduced.

Research edition: 30 October 2026. Building access and visiting arrangements can change; consult the relevant site before planning a visit.

Project photograph