BIGBANG fans in Seoul have a limited window to visit an official 20th-anniversary experience in the center of the city. BIGBANG 20TH ANNIVERSARY MEDIA EXHIBITION “COSMOS” is the opening program at Seoul’s new K-Culture Station, an underground cultural venue created in a long-unused passage between City Hall Station and Euljiro 1(il)-ga Station.
This is more than a merchandise pop-up. Seoul Metropolitan Government describes an immersive exhibition extending through a 335-meter tunnel-like space, while VISITKOREA lists media art, listening and archive areas, interactive installations, VR and hologram content.
BIGBANG COSMOS 2026 at a glance
| Dates | August 24–September 27, 2026 |
|---|---|
| Hours | 10:00–22:00 |
| Closed | Mondays after the August 24 opening |
| Admission | KRW 20,200 |
| Entry | Advance reservation / timed sessions |
| Sessions | 12 per day, up to 100 visitors per session |
| Venue | K-Culture Station / dududo Seoul, B2, 127 Seosomun-ro, Jung-gu |
The exhibition is scheduled to end on September 27, 2026. Ticket inventory can change independently of the published exhibition dates, so confirm an available session before making a special trip.
What you actually experience
The official listings describe 11 immersive experience zones. They include a COSMIC MEDIA TUNNEL, sound-visualization and listening content, a V.I.P. zone, media archive, interactive art wall, VR zone, hologram show and participatory content. The 335-meter underground layout lets the exhibition unfold sequentially through music, video, performance imagery and interactive media rather than concentrating everything in one gallery room.
That format makes COSMOS most useful for fans who want an anniversary experience rather than only a shopping stop. A separate MD zone is also listed for exhibition visitors, but merchandise availability and purchase benefits should not be treated as guaranteed stock.
Phase 2 is now the relevant version
VISITKOREA divides the exhibition into two phases: Phase 1 ran August 24–September 13, while Phase 2 runs September 15–27. Some VR content, hologram content and MD purchase benefits change between phases. If you saw photos or visitor reports from the opening weeks, do not assume every detail is identical during the final two weeks.
Why the venue itself is unusual
K-Culture Station sits roughly 13 meters below Seoul Plaza in a space that had been closed to the public for more than four decades. Seoul converted the approximately 3,000-square-meter passage into a permanent cultural platform while retaining much of its long concrete tunnel character. COSMOS is its inaugural program; K-Culture Station itself is intended to continue with rotating K-pop, media-art, fashion and entertainment-technology content after this exhibition ends.
Booking and arrival strategy
Seoul’s official announcement links visitors to Naver Booking. The exhibition uses timed entry rather than unrestricted walk-in admission. Choose the session first, then build the rest of your downtown itinerary around it.
- Do not rely on same-day walk-up entry. VISITKOREA describes the exhibition as 100% advance reservation.
- Check the date carefully. Mondays after the opening date are closed.
- Arrive with buffer time. The venue is underground between City Hall and Euljiro 1(il)-ga, so allow time to find the correct entrance.
- Keep the final week flexible. September 27 is the announced closing date, but available reservation slots may sell out earlier.
How to combine COSMOS with central Seoul
The location makes this an easy half-day or evening addition rather than a separate suburban excursion. City Hall puts you near Deoksugung and Seoul Plaza; Euljiro and Myeong-dong are also close enough to combine with the exhibition without crossing the city.
A practical sequence is Deoksugung or central Seoul sightseeing → COSMOS reservation → dinner in Myeong-dong or Euljiro. If you want more K-pop stops on another day, see our HiKR Ground guide and K-Pop Landmark Day in Seoul.
Who should prioritize it?
COSMOS makes the most sense for BIGBANG fans visiting Seoul before September 27, especially travelers interested in media installations, archive material and anniversary content. If your main goal is only official merchandise, check the exhibition’s current MD information before buying a ticket solely for shopping.
FAQ
Is BIGBANG COSMOS permanent?
No. The official exhibition period is August 24 through September 27, 2026. K-Culture Station is planned as a permanent cultural venue, but COSMOS is its time-limited opening exhibition.
How much is admission?
The current official listings show KRW 20,200.
Can I buy a ticket at the venue?
Do not plan on it. VISITKOREA lists the exhibition as 100% advance reservation, and Seoul directs visitors to Naver Booking.
What changed in Phase 2?
The official tourism listing says some VR content, the hologram show and MD purchase benefits change between Phase 1 and Phase 2. Phase 2 runs September 15–27.
Is this the BIGBANG world-tour concert?
No. COSMOS at K-Culture Station is a 20th-anniversary immersive media exhibition. It is separate from BIGBANG’s 2026–2027 world-tour concerts.
Official information
Verified September 16, 2026. Sources: Seoul Metropolitan Government — K-Culture Station and COSMOS · VISITKOREA — COSMOS BIGBANG 20TH ANNIVERSARY MEDIA EXHIBITION. Recheck ticket availability and session details before traveling.