Knock, knock.

DO
Chicago Modern Home Tour
What: Get the Peeping Tom out of your system on the new self-guided walk-through of nine private homes — all featuring inspired modern architecture.
Why: Snoop around a barrel-vaulted Bucktown treasure and a sleek South Side prefab residence/office.
When: Sat., 11 a.m.-5 p.m.
Where: Locations throughout the city and suburbs. Tickets ($25; must purchase by Fri.) and details at chicago.modernhometours.com. Day-of tickets ($30) at various will-call locations.

CELEBRATE
Dose Market’s First Birthday
What: The food and fashion flea is celebrating its anniversary. Promoting the festivities are a summer capsule jewelry collection from Laura Lombardi, vintage-style camp gear from Camp Wandawega, records from Hydrogen Plus, Blis syrup, and more.
Why: Breakfast sandwiches from Bagel on Damen, BBQ from Lillie’s Q, boozy snow cones from Jo Snow, local fruit pies from Rustic Tart, and other thoughtful eats.
When: Sun., 10 a.m.-4 p.m.
Where: River East Art Center, 435 E. Illinois St., b/t Peshtigo & McClurg Cts. Tickets ($8) at dosemarket.com or at the door ($10).

RESERVE
Check, Please Farm to Table Fest
What: Tickets for a Labor Day ramble to Michigan farmland and the first-ever event where Midwest chefs work magic alongside local farmers and boutique food artisans. Expect samples, cooking demos, and yummy camaraderie.
Why: The country roads take you to Mindy Segal (Mindy’s HotChocolate Craft Food & Drink), Kevin Church (Owen & Engine), Jason Vincent (Nightwood), Mike and Pat Sheerin (Trencherman), and more.
When: Sept. 2, noon-4 p.m.
Where: Round Barn Winery Estate, 10983 Hills Rd., b/t Snow & Mt. Tabor Rds., Baroda, Mich. Tickets ($75; VIP, $150) at ticketweb.com.

PARTY
Rebuilding Citizenship Fundraiser
What: Eat, drink, enter a silent auction, and listen to DJ Derrick Carter — all in support of the Academy for Global Citizenship, an organization and Chicago Public Charter School devoted to building mindful, eco-conscious communities.
Why: Food from Ruxbin, Pleasant House Bakery, Smoking Goose, The Scrumptious Pantry, and Honeypie Cafe. Local booze, too.
When: Sun., 5-8 p.m.
Where: Rebuilding Exchange, 2160 N. Ashland Ave., at Webster Ave. Tickets ($40) at agcchicago.org or at the door ($50).

SHOP
Perchance Spring/Summer Sale
What: Scoop up a sunshiny array of apparel and accessories priced at up to 50 percent off.
Why: Gryphon tee dresses, Tucker yoke tanks, Cacharel pleated skirts, and other day brighteners.
When: While supplies last; Mon.-Sat., 10 a.m.-6 p.m.
Where: 3510 N. Southport Ave., b/t Eddy St. & Cornelia Ave.; 11 E. Walton St., at State St. (773-244-1300); or at perchanceboutique.com.

Photo: Courtesy of Modern Home Tour