# Event Details

- **Event Name**: Celebrating Arbor and Earth Day Open House
- **Event Start and End Date**: Sat, 25 Apr, 2026 at 05:00 pm – Sat, 25 Apr, 2026 at 07:00 pm (-05:00)
- **Event Description**: Join us for open exploration of the observatory, solar observing, a scavenger hunt with prizes, engaging demos and hands-on activities, a chance to see the world’s largest refracting telescope up close, and so much more!

Note: This is a rain or shine program and parking is on-site at Yerkes. Reservations are required; tickets are $10 for adults and $5 for kids.

Tickets and more info at yerkesobservatory.org.
- **Event URL**: https://allevents.in/williams-bay/celebrating-arbor-and-earth-day-open-house/200029924794439
- **Event Categories**: kids
- **Interested Audience**: 
  - total_interested_count: 109

## Ticket Details


## Event venue details

- **city**: Williams Bay
- **state**: WI
- **country**: United States
- **location**: 373 W Geneva St, Williams Bay, WI, United States, Wisconsin 53191
- **lat**: 42.57466
- **long**: -88.55586
- **full address**: 373 W Geneva St, Williams Bay, WI, United States, Wisconsin 53191

## Event gallery

- **Alt text**: Celebrating Arbor and Earth Day Open House
  - **Image URL**: https://cdn-az.allevents.in/events2/banners/1a3d128992de5ac5e3e4b50607aa1e287e15eea32b80053eaaabfe302a8d0b33-rimg-w1200-h800-dc020302-gmir?v=1775859639

## FAQs

- **Q**: When and where is Celebrating Arbor and Earth Day Open House being held?
  - **A:** Celebrating Arbor and Earth Day Open House takes place on Sat, 25 Apr, 2026 at 05:00 pm to Sat, 25 Apr, 2026 at 07:00 pm at 373 W Geneva St, Williams Bay, WI, United States, Wisconsin 53191.
- **Q**: Who is organizing Celebrating Arbor and Earth Day Open House?
  - **A:** Celebrating Arbor and Earth Day Open House is organized by Yerkes Observatory.

## Structured Data (JSON-LD)

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        "startDate": "2026-04-25T17:00:00-05:00",
        "endDate": "2026-04-25T19:00:00-05:00",
        "url": "https://allevents.in/williams-bay/celebrating-arbor-and-earth-day-open-house/200029924794439",
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        "organizer": [
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```