Entry No. 36 — the Chicago file — filed under: outdoor-weird
Alfred Caldwell Lily Pool
Behind a Prairie-style stone gate on a busy Lincoln Park sidewalk hides a garden most passersby never realize is there. Landscape architect Alfred Caldwell designed it in 1936-38 to feel like a river meandering through a Midwestern prairie, with a cascading waterfall, a council ring, and stratified stone ledges. A National Historic Landmark, it reads as a secret ravine dropped into the middle of the city. Open seasonally, roughly mid-April through mid-November.
The story
You can walk right past 125 West Fullerton Parkway a hundred times without noticing the wooden gate set into low, stratified stone. Thousands of commuters pass within yards of it daily, entirely unaware that behind that horizontal barrier lies a hidden ravine cut into the city. Built between 1936 and 1938, the Alfred Caldwell Lily Pool replaced an abandoned 1889 Victorian pond that had relied on heat piped from the nearby zoo power plant to display tropical lilies. Landscape architect Alfred Caldwell stripped away the Victorian ornament to build something deliberately raw: a Prairie-style sanctuary designed to evoke a glacial river carving through Midwestern limestone bedrock.
Caldwell studied under Jens Jensen and Frank Lloyd Wright, and his devotion to native ecology was uncompromised. When the Chicago Park District slashed the project's planting budget mid-construction, Caldwell cashed in his personal life insurance policy to buy native wildflower roots and seeds out of pocket. Working alongside WPA laborers, he placed layered horizontal stone ledges by hand, planted hawthorn, oak, and wild irises, and constructed a circular stone 'council ring' on a wooded rise—a signature Jens Jensen element built as a space for people to sit as equals.
The victory was short-lived. Decades of city neglect, invasive weed trees, and bad alterations choked the pool into a murky, debris-filled swamp. When Caldwell returned in the 1990s shortly before his death at age 95, he looked at his ruined design and declared it 'a dead world.' It took a $2.5 million restoration effort completed in 2001 by the Lincoln Park Conservancy and the Chicago Park District to dredge the lagoon, reset the stonework, and replant Caldwell's native vision, earning the site National Historic Landmark status in 2006.
What it's like
Stepping through the Fullerton gate cuts the rumble of street traffic almost instantly. You can follow the flat gravel path along the east edge or navigate uneven limestone steps on the west side to reach an open wooden pavilion suspended over the water. A native-stone waterfall trickles at the north end, and a narrow stone path leads up to the quiet council ring hidden among the trees. Silence and staying on paths are strictly enforced by conservancy monitors—stepping into the underbrush to frame a photo will get you immediately reprimanded. Visit early on a weekday morning if you want any chance of sitting in the pavilion alone.
The move: Slip through the gate off Fullerton and follow the stone path past the waterfall to a hidden council ring.
📍 Before you go Open seasonally, roughly late April through late November, daytime hours only.
- 📍 Lincoln Park
- 💸 Free
- ⚡ Up for anything
- 🌗 Outdoors
Where: 125 W Fullerton Pkwy, Chicago, IL 60614
Hours: Added 2026-06-23 — confirm current hours before you go.
⚠ Seasonal or scheduled — always check before you go.
Pair it with
- Couch Tomb, Lincoln Park — Pair Caldwell's hidden sanctuary with a short walk south through the park to see the last standing tomb from Lincoln Park's 19th-century cemetery past.
- The Wiener's Circle — Trade the hushed zen quiet of native stone trails for direct late-night verbal abuse over a char-grilled hot dog down the street.
- Aroma Workshop — Shift from smelling Caldwell's native Midwestern flowers to custom fragrance blending less than a mile away.
- Red Lion Pub — Head less than a mile west to swap Caldwell's Prairie-style stonework for a pint in a historic British pub built over former burial grounds.
Good to know
Is there an entry fee to visit?
No, entry to the Lily Pool is free to the public during seasonal operating hours.
When is the Lily Pool open during the year?
It operates seasonally, generally from mid-April through mid-November, open daily during daytime hours (roughly 7:30 AM to dusk).
Can I take engagement or commercial photos here?
Casual snapshots on your phone are fine, but any posed professional, wedding, engagement, or commercial photography requires a paid permit obtained in advance from the Lincoln Park Conservancy.
Are dogs or picnics allowed inside?
No. Dogs, food, wading, fishing, and stepping off the designated stone pathways are strictly prohibited to protect fragile native vegetation.
Plan a visit & invite your people →
Further reading: lincolnparkconservancy.org · Wikipedia · chicagoparkdistrict.com · tclf.org · Reddit
last checked: 2026-06-23