These used to be separted out into multiple 30-day photo challenges, but I think it serves better if folks can pick the prompts that will work for them on any given day.

• Night
• Day
• A door
• A window
• The ground
• The sky
• Your favourite colour
• Sidewalk chalk art or surveyor's marks
• Shadows cast by street performers
• Find a high vantage point and capture your view
• The past
• The present
• The future
• Grace
• Hope
• Kindness
• Sound
• Vision
• Childhood
• Adulthood
• Opposites
• A want
• A need
• Generosity
• Greed
• Yesterday
• Tomorrow
• Morning
• Afternoon
• Evening
• Yes
• No
• Maybe
• Up
• Down
• Inside out
• Green
• Blue
• Purple
• Red
• Orange
• Yellow
• White
• Brown
• Black
• Sight
• Sound
• Smell
• Touch
• Taste
• Who
• What
• When
• Where
• Why
• How
• East
• West
• North
• South
• Self-portrait.
• What you wore today.
• Clouds.
• Something green.
• From a high angle.
• From a low angle.
• Fruit.
• A bad habit.
• Someone you love.
• Childhood memory.
• Something blue.
• Sunset.
• Yourself with things.
• Eyes.
• Silhouette.
• A good habit.
• Technology.
• Your shoes.
• Something you want.
• In your bag.
• Faceless self-portrait.
• Inspirational.
• Patterns.
• Animal.
• Stranger.
• Close-up.
• Celebration.
• Flowers.
• Black and white.
• Let someone else take your portrait.
• Feathers or birds.
• A moment of humour
• A piece of jewellery or accessory that holds sentimental value.
• Take a photo of a seasonal change - leaves falling, snow melting, budding leaves.
• A reflection in a unusual surface - a puddle, window glass.
• A handmade item.
• A childhood toy or keepsake.
• A natural phenomenon, like rain or sun dog.
• Something contemplative.
• A vintage item.
• An interesting texture - peeling paint, rusty metal, frost.
• Something that evokes a sense of calm
• A bike or motorcycle.
• A moment of human connection.
• Natural light - sunbeam, moonlight.
• A musical performance.
• A water feature or natural water.
• A physical activity.
• Interesting architecture.
• Photograph something at night.
• A moment of excitement.
• A market, inside or out.
• Something tech-related.
• A natural pattern - spider web, branch structure.
• Something work-related.
• Your favourite thing.
• The last thing you see before you go to bed at night.
• Your TBR pile
• Something creative.
• A moment of peace and serenity.
• Urban landscape at night
• Close-up of tree bark
• Reflections in a puddle
• Vintage objects and textures
• Cloud formations
• Staircase patterns
• Abandoned buildings
• Silhouettes of trees
• Seashells on the beach
• Rainy city streets
• Animal portraits
• Minimalist interior spaces
• High-contrast street photography
• Macro photography of flowers
• Old cars and vehicles
• Moody landscapes
• Architectural details
• Geometric patterns in nature
• Smoke, fire, or fog
• Urban geometry
• High-contrast portraits
• Weathered wooden doors
• Abstract macro photography
• Low-key still life photography
• Rocks and pebbles
• Dramatic cloud formations
• Minimalist cityscapes
• Shadows and light
• Old machinery and factories
• Colourful signage
• First thing you see when you wake up.
• A close-up of a flower or a leaf.
• A reflection in a mirror, window, or water.
• Your favourite book or bookshelf.
• A moment of movement, like a person walking or a bird flying.
• A texture, like a rug, a wall, or a tree trunk.
• Photograph a cityscape at sunrise or sunset.
• Capture a macro shot of a small object, like a coin or a button.
• A meal you've cooked or a dessert you've baked.
• A shadow or a silhouette.
• A pattern, like a tile floor or a striped shirt.
• A candid moment of a friend or family member.
• Photograph a still life, like a vase of flowers, a bowl of fruit, or a pile of toys.
• Take a photo of a regular or spiral staircase.
• Capture something that's your favourite colour.
• Photograph a sign or a mural in your neighbourhood.
• Take a photo of a collection, like stamps, coins, or seashells.
• Capture something playful.
• Photograph a door or a gate, focusing on the details.
• Take a photo of a musical instrument or a musician playing.
• Capture a photo of a cloud formation or a stormy sky.
• Photograph a corner of your home, showcasing your comforts.
• Take a photo of a view from a window.
• Capture a photo of a bridge or a tunnel.
• Photograph a moment of solitude.
• Take a photo of a street art or graffiti.
• Capture a photo of a market or street vendor.
• Photograph a moment of interaction.
• Take a photo of a candle or a fireplace.
• Capture a photo of a night sky, stars, or a cityscape at night.
• Find an appropriate vantage point and take a wide-angle shot of the city.
• Take a macro shot of a flower or plant growing in a pavement crack.
• Photograph an animal you see on your walk.
• Photograph a creative vehicle.
• Take a macro shot of a small object you find on the ground.
• Capture an interesting storefront.
• Capture a particularly picturesque streetscape.
• Photograph a unique or interesting piece of furniture.
• Capture something you wouldn't normally notice, like manhole covers, plaques, or drain pipes.
• Capture a photo of a interesting or unique lamp post.
• Photograph a close-up of a flower or plant.
• Capture a photo of a water feature, like a fountain or river.
• Photograph a close-up of a person's hands doing an activity.
• Take a photo of a vintage or retro sign.
• Capture a photo of a unique piece of architecture.
• Photograph a close-up of a texture or pattern.
• Capture a photo of a unique or interesting piece of public transportation.
• Take a picture of your favourite place in town.
• Photograph a piece of public art.
• Capture a photo of a food truck or hot dog cart.
• Take a photo of a favorite book or magazine.
• Take a photo of something through a distorted or reflective surface.
• Photograph a subject that is intentionally out of focus or blurred.
• Capture a photo of a subject that is fragmented or broken into pieces.
• Take a picture of the thing you own that brings you the most joy.
• Capture a photo of a subject from a unique or unusual perspective or angle.
• Take a photo that is intentionally cropped or framed in an unconventional way.
• Take a picture through a piece of coloured film, or with that film covering the flash.
• Take a photo of a printed photo you took, then print that and take a photo of it, then do it again.
• Place something in an unexpected place and photograph it.
• Close-up of a small object or texture.
• A reflection in a mirror, window, water.
• An interesting street sign, billboard, or poster.
• Take a photo of the sunrise or sunset.
• A still life using everyday objects.
• An interesting texture, such as wood, stone, or fabric.
• Something intricate
• Water in its various forms - flowing, still, frozen, or misty.
• Animals going about their daily business.
• The idea of flight without flying
• Cityscapes - structures, streets, alleys.
• Naturally occurring symmetries in flowers, leaves, or other natural elements.
• Create appealing compositions using food.
• Use available light sources to create interesting light effects, lens flares, or silhouettes.
• The intrigue of abandoned buildings, vehicles, or other structures.
• Trees, focusing on their unique shapes, textures, and colours.
• Black and white.
• Something that's your favourite colour.
• Interesting patterns in nature, architecture, or everyday objects.
• The city or nature at night.
• Close up shots of flowers.
• The diversity of wildlife in urban environments.
• Embrace simplicity - clean, minimalistic compositions.
• Freeze or blur movement to add dynamism.
• Something in an unexpected place
• Capture a moment of unexpected bright colour.
• Parallel lines
• Experiment with capturing smoke, steam, or fog.
• Use empty space to draw attention to your subject.
• Capture something that makes you laugh.
• Solitude
• Contrast
• Vibrance
• Abandoned
• Motion
• Whimsy
• Decay
• Monochrome
• Minimalism
• Urban jungle
• Time-worn
• Momentum
• Resilience
• Illusion
• Fragmented
• Golden hour
• Threshold
• Echo
• Epiphany
• Rust
• Surreal
• Reverie
• Enigma
• Roots
• Mosaic
• Clarity
• Equilibrium
• Untamed
• Intertwined
• Security
• Take a photo where a single colour dominates the frame.
• Capture a moment of symmetry, like a staircase or reflection.
• Photograph a macro (close up) shot of an insect or small creature.
• Take a photo of a musical instrument, alone or being played.
• Capture a shot of a car or bike in motion.
• Photograph a close-up of a person's hands doing an activity.
• Take a photo of a flower blooming somewhere surprising.
• Capture a shot of a light source, like a lamp or sunbeam.
• Photograph a still life with a specific theme, like rocks, or art supplies, or a vintage collection.
• Take a photo of a shadow or reflection that has a unique shape.
• Capture a moment of chaos, like a busy street or playground.
• Photograph some street art or graffiti that tells a story, or use it to tell one yourself.
• Take a photo of a sunrise or sunset with an interesting silhouette.
• Capture a shot of something peaceful.
• Take a picture of some interesting things in a junk or thrift store.
• Take a photo of a texture, like rough stone or soft fabric.
• Capture a shot of someone doing a hobby or a craft.
• Photograph a night time scene, like a cityscape or campfire.
• Take a photo of a pattern, like chequered tablecloth or a striped shirt.
• Capture a moment of joy.
• Photograph a moment of solitude.
• Capture something surprising.
• Capture a photo of a unique or unusual architectural feature on a building.
• Photograph a unique or colourful door.
• Take a photo of things you never leave home without.
• Capture a shot of something triumphant.
• Photograph a unique street sign or traffic light.
• Take a photograph of your favourite place to read.
• Capture a local landmark.
• Walk to the nearest park or green space and take a photo of the first interesting thing you see.
• Take a formal portrait shot of your favourite inanimate object as if you were photographing a person.
• Collect natural items and arrange them into a colour palette that you photograph.
• Something that makes you smile.
• A place you love.
• A favorite piece of clothing.
• Go for a walk and photograph things that aren't the alphabet but look like letters (and numbers).
• Get a random text generator to pick a random word or three, and go on a photo walk only taking pictures of things related to those words.
• Photograph the most colourful objects you own.