The NB Center is Honored to Welcome the

2026 AACA GRAND NATIONALS & Zenith Competition

August 20-22   |   570 Union Blvd, Allentown, PA

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Parking Directions

❋ Show Car Exhibitor Trailers Arriving Thursday/Friday - Click Here

❋ Show Car Exhibitor Trailers Arriving Saturday - Click Here

❋ AACA Member and General Spectator Parking - Click Here

Friday, August 21st

Open House TOUR Day at THE NB CENTER

ADVANCE REGISTRATION IS REQUIRED - REGISTRATION CLOSED!

Registered participants of the AACA Grand Nationals will have the opportunity to enjoy a behind-the-scenes look at select collection buildings of antique and classic American cars, restoration workshops, The Machine Shop, and The Service Center during one of two Open House sessions on Friday.

Participants will select either a morning or afternoon session during the registration process and may arrive at any time within their scheduled time window for a self-guided tour.

Please bring the Grand Nationals registration credential provided by the AACA for admission. All members of your party must be registered in advance. Unfortunately, we cannot accommodate walk-in visitors.

PLEASE NOTE: The NB Center facilities will not be open for tours on Saturday during the Grand Nationals event so everyone can enjoy the 500 show cars coming from across North America.

All questions can be directed to the AACA

Saturday, August 22nd

Grand Nationals Show Day at the NB Center

Admission is free for all AACA members and their guests. Please wear your Grand Nationals participant lanyard or have your AACA membership card available for expedited entry.

General public admission (non-AACA members) is by a nominal admission fee, with all proceeds benefiting the local automotive museum (501c3), America On Wheels.

❋ 7:00 AM: Show Field Entry – Access is strictly limited to show vehicles only. Anyone requiring early entry for vehicle staging must arrive in a registered show vehicle or wear an exhibitor credential. Directions are in your packet.

❋ 8:00 AM: AACA Members Entry – Pedestrian entry opens early for AACA members only. Please have your Grand Nationals participant lanyard or AACA membership card ready upon arrival. Located at 570 Union Boulevard Gate.

❋ 10:00 AM: General Public Entry - General admission is open until 3:00. Located at 570 Union Boulevard Gate.

GENERAL ADMISSION: $5