Roadside Historical Markers
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Abandoned Places
Aeronautical, Aviation
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Bells, Chimes, Carillons
Best Place For/To ...
Biggest, Tallest, etc. (other superlatives)
Birthplaces
Blues Music
Bordellos, etc.
Botany, Vegetation, Plants, Flowers, Trees
Botany, Vegetation, Trees, Plants, Flowers
Boundary
Bowie, David
Breakfast
Breweries
Bridges
Broadway, Theater
Buildings
Bukowski, Charles
Carnivals, Circuses
Carousels, Merry-Go-Rounds
Castles, Mansions, Plantations
Celebrity
Celebrity Sightings
Cemeteries, Graves, Burial Grounds
Cheese Steaks
Childrens' Interests
Churches, Cathedrals, Mosques, Synagogues, Temples
Civics Lessons
Classical Music
Clocks
Cobain, Kurt; Nirvana
Commercial Archeology
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Controversies
Country Music, Bluegrass
Court Cases, Opinions, Decisions
Covered Bridges
Crafts, Artisans
Crimes & Criminals (real and alleged)
Deaths, Died Here
Design, Designers
Diners, Luncheonettes, Automats, etc.
Disasters, Tragedies, Accidents
Dives/Holes in the Wall - In a Good Way
Drive-In Movies
Entertainment
Ethnic (& Regional) Foods/Restaurants
Factories, Mills
Fallout Shelters
Family
Famous People
Farms
Fires, Fire Companies
First Ever ...
Fishing
Folk Art, Outsider Art, Folklore
Folk Music
Food
Food Trucks, Carts, Lunch Wagons, Street Food
Forts
Franklin, Benjamin
Fraternal Organizations
Ghosts and Spirits, Haunted, Paranormal
Government, Politics
Graffiti
Hamburgers
Hip Hop, Rap
Historical Societies (entries by)
History
Hobbies
Homes, Lives or Lived Here
Hotels, Motels, B&Bs, Inns
Human Interest
Humor, Pranks
Hunting
Industry
Inspirational, Role Model
Insurance Companies
Intersections, Corners
Inventions, Discoveries
Islands
Jails, Prisons
Jazz
Journalism
Jukeboxes
Junk / Junque (in a good way)
Lakes, Ponds, Rivers, Streams
Legends (unverifiable popular stories), Folk Tales
LGBTQ
Lighthouses
Lincoln, Abraham
Literature
Love, Romance
Lyrics (appears in song; inspiration for)
Macabre
Marley, Bob
Memorials, Monuments
Missile Bases and Sites
Movies, Films, Cinema
Murals
Museums
Music
Mysteries
Myths and Mythology
Native Americans
Nature (including endangered/threatened, invasive
Nautical
Neighborhoods, Villages, Towns, etc.
Neon
News
No Longer There
Nostalgia
Oddities
Oldest
Only, One of a Kind
Parks
Photographed / Painted, Locations
Pinball, Classic Arcade Games
Pizza
Plaques, Markers (real ones)
Pop Culture
Pop Music
Post Offices
Prehistoric
Preservation / Protection Needed
Radio
Railroads, Trains, Subways, Stations
Record Stores, CDs, Audio
Records, Achievements, Measurements
Recreation
Religions
Repurposed Properties
Restaurants
Retail Stores, Malls
Roads
Roadside Attractions
Rock and Roll
Rock Stars
Rocky (movie)
Roller Coasters
Ruins
Sandwiches (non-cheese steak)
Schools, Universities
Science, Technology, Innovations
Scouting
Seinfeld
Ships, Boats, Marine
Show Tunes
Signs
Ski Areas (Current & Former)
Slept Here
Solemn Cyber Plaques
Speakeasies
Sports
Springsteen, Bruce
Stadiums
Steeples
Street Art
Television
Theaters
Tourism
Transportation
Trivia
UFOs
Underground Railroad (Slavery/Freedom)
Underground, Subterranean, Tunnels
Videos
Warhol, Andy
Weddings, Marriages
Weird
Worked Here, Employment
Works Progress Administration (WPA)
World's Fairs
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Roadside Historical Markers Listing
Roadsidehistoricalmarkers Underground, Subterranean, Tunnels Category Listing
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12 properties found
Subject
City
State
Hidden Tunnel Under Owl's Head Park, Brooklyn
Brooklyn
New York
Never-used subway station below this intersection?
Philadelphia
Pennsylvania
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