Included with #9/11 Museum and Memorial tickets
Timings
RECOMMENDED DURATION
3 hours
İlke U
Lyndsey B
+3 more
Giovanna V
+1 more
Margot M
Joel P
Karina B
+2 more
Daniel M
+2 more
Gerardo C
Access: Included in all 9/11 Memorial & Museum tickets
When you'll see it: Midway to final portion of the indoor exhibition (located in Foundation Hall)
Visit duration: 10–15 mins self-guided/15–20 mins with a guided tour
Best time: Early morning weekdays or late afternoon slots
Restrictions: Photography allowed without flash; standard museum security check required
The Slurry Wall is included with all 9/11 Memorial & Museum tickets. No separate ticket is needed. You reach it late in the museum route inside Foundation Hall, after the main historical galleries, and you can’t enter it directly without going through the museum first. Book a timed-entry museum ticket if you want to move quietly at your own pace, or choose the Ground Zero 9/11 Memorial Tour & 9/11 Museum skip-the-line tickets for a stronger context before you arrive.
Choose the first timed entry on a weekday, or a late-afternoon slot after 3pm. Foundation Hall feels more reflective when the flow is steadier and you can stand still for a few minutes. Avoid the busiest midday windows if you want space to read the wall, the labels, and the nearby tributes.
Plan 10–15 minutes self-guided, or 15–20 minutes if you’re visiting with a guide or audio commentary. That’s enough time to understand what the wall did, where it sits, and why it mattered after the collapse. If you only glance at it and move on, it reads like concrete instead of engineering history.
You’ll reach the wall late in the museum visit, not at the start. Most visitors spend 60–90 minutes getting there because the route moves through major artifacts and the historical exhibition first. Don’t schedule the museum as a rushed stop between downtown activities if the Slurry Wall is one reason you’re coming.
Crowds build fastest from late morning into early afternoon, especially on weekends and school-break periods. In Foundation Hall, that means more people stopping for photos of the Last Column and less room to linger near interpretive panels. If you want a quieter look, pick a weekday morning or a later slot.
If you only have a few minutes, focus on three things: the exposed wall face, the explanation of how it held back the Hudson River, and its relationship to the Last Column nearby. Stand back far enough to see the wall as part of the full hall. Don’t treat it as a quick pass-by object.
Most visitors look at the Last Column first and never fully read the Slurry Wall around it. Pause long enough to understand that this wall remained in place when almost everything above collapsed. Another common mistake is arriving emotionally and physically drained, then rushing the final galleries. Save enough attention for the end of the route.
| Ticket type | Why choose it |
|---|---|
Timed-entry museum ticket | Best if you want to move quietly and spend extra time in Foundation Hall without following a group pace. |
Guided Ground Zero tour + museum entry | Best if you want the engineering and recovery story explained before you reach the wall late in the route. |
Museum + One World Observatory combo | Best for pairing reflection below ground with skyline views above, without booking two separate Lower Manhattan experiences. |
Most visitors arrive at the Slurry Wall expecting an artifact and leave realizing it was infrastructure that helped keep Lower Manhattan from a far worse disaster. Many people don’t realize this preserved concrete wall was built to hold back the Hudson River from a 70-foot-deep excavation. If you know what to look for, Foundation Hall stops feeling like a large room of remnants and starts reading like the site’s structural memory.
In Foundation Hall, look along the long exposed concrete wall behind the main viewing area. The stains, seams, and patched surfaces are not reconstruction. They are part of the original retaining wall that stayed standing after the towers fell, which is why this section matters far beyond its plain appearance.
Look for the steel tie-back points embedded through the wall. These helped brace it against water pressure from the river side and soil pressure from the city side. They turn the wall from a symbolic object into an understandable engineering system, which makes its survival much easier to grasp.
Pause far enough back to see the Slurry Wall, the Last Column, and the height of Foundation Hall together. This helps you read the site properly: you are deep below street level inside the former World Trade Center excavation, not in a conventional gallery room. The scale explains why preserving the wall became so important.
Built in the late 1960s as part of the World Trade Center excavation, the Slurry Wall was engineered to keep the Hudson River out of a 70-foot-deep site. After the towers collapsed in 2001, it remained standing and helped prevent even greater structural damage below ground. Today, it is preserved in Foundation Hall as evidence of survival, recovery, and the original engineering logic of the site.
Helped design the original World Trade Center structure and the engineering system that made the retained wall possible.
Lead architect of the original World Trade Center complex built around the excavated superblock site.
Argued for exposing the Slurry Wall in the rebuilt site as visible evidence of resilience.
Address: 180 Greenwich St, New York, NY 10007
Yes. Access is included with every valid 9/11 Memorial & Museum ticket. No separate ticket exists.
No. Any museum ticket gets you in. Guided options add context, while standard timed-entry tickets let you explore Foundation Hall at your own pace.
No. The Slurry Wall has no independent entrance and sits late in the museum route inside Foundation Hall.
Late in the visit. Allow about 60–90 minutes from entry if you move through the main galleries at a thoughtful pace.
Plan 10–15 minutes self-guided, or 15–20 minutes with a guide. It rewards a slower look.
Yes. It’s included when the tour includes museum entry. Guides help explain why the wall mattered structurally and historically.
You view it from designated public areas in Foundation Hall. It’s preserved in place, so visitors do not touch the wall itself.
Usually, yes. Personal photography is allowed in most museum areas without flash, but posted no-photo rules always apply.
Yes. Foundation Hall is accessible by elevator, and the viewing areas around the wall are wheelchair-friendly.
Yes. It’s one of the few original structural elements still in place, and it explains how the site physically held together.
Inclusions #
9/11 Museum timed-entry ticket
Access to the Museum's current exhibitions
Access to the 9/11 Memorial, Survivor Tree, and Memorial Glade
Free Wi-Fi
9/11 Memorial & Museum $2 service fee
Ground Zero Guided Tour & 9/11 Museum skip-the-line tickets (as per option selected)
######Ground Zero Tour
St. Paul’s Chapel: Visit this historic church, which miraculously survived the 9/11 attacks despite being just a block away.
9/11 Memorial: Pay your respects to the victims of 9/11 at the World Trade Center Memorial site.
9/11 Museum: Explore the museum on a self-guided tour featuring collections of media, memorabilia, and personal stories.
Oculus: See the stunning One World Trade Center entrance, a symbol of resilience and renewal.
Inclusions #
Skip-the-line tickets to the 9/11 Museum
Guided tour of Ground Zero 9/11 Memorial
English-speaking local guide
Skip the box office and reach NYC’s skyline views fast with a 47-second SkyPod ascent.
Inclusions #
Skip-the-box-office (ticketing counter) tickets
Timed entry admission
Access to the observatory levels, SkyPod elevators, Horizon Grid, and See Forever® Theater
Fast-track access in the elevator and security lines (as per option selected)
Flexible entry (as per option selected)
9/11 Memorial & Museum
9/11 Memorial & Museum
Statue of Liberty & Ellis Island Tickets with Ferry Transfers
Inclusions #
9/11 Memorial & Museum
9/11 Museum timed-entry ticket
Access to the Museum's current exhibitions
Access to the 9/11 Memorial, Survivor Tree, and Memorial Glades
Free Wi-Fi
9/11 Memorial & Museum $2 service fee
Statue of Liberty & Ellis Island Tickets with Ferry Transfers
Priority entry at the Screening Facility Queue for the ferry
Round-trip ferry transfers from New York
Self-guided audio tour of Liberty Island & Ellis Island in 12 languages
Access to:
Liberty Island
Ellis Island
Statue of Liberty Museum
National Immigration Museum at Ellis Island
Exclusions #
Statue of Liberty & Ellis Island Tickets with Ferry Transfers
Access to Ellis Island's Hard Hat Tour
Access to the State of Liberty Pedestal & Crown
Inclusions #
Family Pass tickets to the 9/11 Museum for 2 adults and 2 children
Family Pass tickets to the 9/11 Museum for 2 adults and 3 children (as per option selected)
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