Stamp & Scream 2026: Smithsonian Halloween Family Guide

Stamp & Scream — the National Postal Museum's annual family Halloween festival — takes place Friday, October 31, 2026, from 11:00 AM to 3:00 PM at 2 Massachusetts Avenue NE, Washington, DC 20002, directly adjacent to Union Station. The event is free and requires no registration. Activities include spooky stamp crafts, seasonal story times, hands-on making stations, and a museum-wide costume parade. For families looking for a free, educational, indoor Halloween activity in downtown DC on actual Halloween day, Stamp & Scream provides a structured, museum-quality alternative to trick-or-treating that works for toddlers through elementary-age children — without standing outside in the cold or competing with neighborhood parking.

Event Details

Halloween Activities at the Postal Museum

Spooky Stamp Crafts

Hands-on stamp-themed craft stations where kids create Halloween-inspired designs using real stamps, ink, and craft materials. The Postal Museum's unique angle — connecting postal history to seasonal creativity — gives children a making experience unavailable at any other Halloween event in the region. The craft stations connect directly to the museum's permanent exhibits, which include the world's largest stamp collection, giving kids context for the materials they're using.

Story Times

Seasonal story sessions run throughout the event. Staff and volunteers read Halloween-themed stories in dedicated areas of the museum, providing quieter moments between active craft stations — particularly useful for families with a mix of energetic older kids and younger toddlers who need calmer intervals.

Costume Parade

A museum-wide costume parade gives kids the structured Halloween costume-display moment that the day otherwise requires improvising. The parade moves through the museum's galleries — past historic mail trucks, Owney the postal dog, and the museum's permanent collection — creating a photo-worthy procession that becomes the centerpiece of the visit. For families where Halloween costume effort is significant, the parade is the payoff.

Museum Exploration Beyond the Event

The Postal Museum's permanent exhibits include historic mail planes, interactive mail-sorting activities, the world's largest philatelic collection, and Owney the postal dog — a taxidermied dog who rode mail cars across the country in the 1890s and became one of the postal service's most beloved mascots. For families with time beyond the Stamp & Scream programming, the museum itself provides an additional hour or two of content without any additional cost. The museum opens at 10:00 AM, an hour before Stamp & Scream activities begin — families can explore the permanent collection first and transition into the Halloween programming as it starts.

Getting to the National Postal Museum

The Postal Museum's Union Station location is its most practical feature for families traveling from outside DC. The address — 2 Massachusetts Avenue NE — places it directly adjacent to one of DC's most connected transit hubs. If you can navigate to Union Station, the museum is a one-minute walk from the main entrance.

By Metro

Union Station (Red Line) is the closest Metro station, adjacent to the museum. Walk out of Union Station's main entrance and turn left — the museum entrance is on Massachusetts Avenue facing the Capitol.

By MARC Train

MARC Penn Line and Camden Line both terminate at Union Station. Baltimore families can take the Penn Line from Penn Station to Union Station (about 45 minutes) and walk directly to the Postal Museum without needing any additional transit. This is the cleanest option for Baltimore families who want to avoid driving and parking in DC on Halloween — buy round-trip MARC tickets in advance, arrive in costume, and walk to the event.

By Car

From Baltimore (~40 miles): I-95 South to I-295/BW Parkway to the Union Station area — about 50–65 minutes. From Northern Virginia (~10–15 miles): I-66 East or I-395 to Constitution Avenue/Capitol Hill area — about 20–30 minutes. Union Station parking garage is adjacent; additional garages on Massachusetts Avenue and North Capitol Street. Halloween Friday affects downtown DC parking availability — expect higher rates and fuller lots than a typical Friday.

Planning a Halloween Day in Downtown DC

Stamp & Scream's 11 AM–3 PM window creates natural pairing options for families who want to make Halloween day a full DC outing. The museum opens at 10 AM — arrive early and explore the permanent exhibits before the Halloween programming begins. After the 3 PM close, the National Mall is a short walk south: the Smithsonian museums (Natural History, Air and Space, American History) are all free and open through 5:30 PM, providing another two hours of family activity before the evening.

For families from Baltimore or Maryland making the Halloween day DC trip, MARC eliminates the driving and parking question entirely. A private group vehicle or party van handles the round trip for families with young children who need car seats and stroller space, or for multigenerational groups combining Stamp & Scream with other DC family activities across the day. For larger family groups — cousins from different Maryland suburbs combining for a Halloween outing — a shuttle service from a central pickup point covers all the family members in one vehicle without coordinating multiple cars into downtown DC on Halloween.

For families who want to make a truly seamless Halloween day with no transportation stress — Stamp & Scream in the morning, Mall museums in the afternoon, neighborhood trick-or-treating back home in the evening — an airport-style car service from a fixed Baltimore or Maryland pickup point covers the morning departure and the afternoon return, with the family in the vehicle exactly when they need to be rather than fighting for parking in two different parts of DC across the day.

The Postal Museum and Why It's the Right Halloween Setting

The National Postal Museum is genuinely underrated as a destination among the Smithsonian's DC locations — which may be why Stamp & Scream works so well as a Halloween event. The museum attracts less foot traffic than the Natural History or Air and Space museums on the Mall, which means the Halloween event has a more manageable crowd density and a more personal feel than a similar event at a higher-profile Smithsonian location. The Union Station adjacency makes it maximally convenient; the subject matter — postal history, stamp collecting, the global mail system — is unusual enough to give the museum's Halloween programming a distinctive identity.

For children attending their first museum Halloween event, the Postal Museum's scale is also appropriate. The building is architecturally significant (it occupies the former City Post Office building adjacent to Union Station, designed by Daniel Burnham and completed in 1914) but sized for a comprehensible visit rather than the overwhelming sprawl of the Natural History Museum on a busy Halloween day. The Stamp & Scream activities are contained within the museum's main hall and accessible areas, which means children don't need to navigate an unfamiliar layout to participate in the programming. The costume parade moves through a defined route; the craft stations are grouped; the story times have designated seating areas. For families with toddlers, this structural clarity reduces the logistics friction that makes large Halloween events exhausting for parents of young children.

Making the Most of Union Station Access

Union Station's adjacency to the Postal Museum makes Stamp and Scream one of the easiest Smithsonian events to reach from Baltimore without a car. The MARC Penn Line round trip from Baltimore Penn Station costs less than downtown DC parking on Halloween Friday and takes roughly the same time as driving -- without the parking variable. For families with strollers, the station-to-museum walk is entirely flat and covered; the museum entrance is visible from the station's main exit on Massachusetts Avenue.

Union Station's food hall offers pre- and post-event dining options across a range of prices and cuisines, handling the event crowd without significant wait times on a Halloween weekday. For families combining Stamp and Scream with a National Mall afternoon, MARC works in both directions: arrive mid-morning for the museum, spend the afternoon at the Natural History or Air and Space museums on the Mall, and return to Baltimore on an afternoon Penn Line train before evening trick-or-treating at home.

Frequently Asked Questions