"Trendy No Mad Land," Sat. at 12; "Far West 14th St. Area," Sat. at 2; "Haunted Greenwich Village," Sat. at 3:45; "Marvelous Murray Hill," Sun. at 9:30; "Splendid Grand Central Terminal," Sun. at 11; "Terrific Turtle Bay," Sun. at 12:30; "Elegant Enclaves," Sun. at 3; 265-2663 for res. & meeting place; $5.

This week: "Historic Harlem," Sun. at 1; "Green-Wood Cemetery" & "The Upper East Side," Sun. at 1; 439-1090 for info & meeting place; $10, $8 st./s.c.

Blood, Sweat & Pairs expose Broadway’s secrets; Call 946-6375 for res. & meeting place; Sat. & Sun. at 4, $10.

"Twain expert," Peter Salwen leads annual walking tour through Soho & Greenwich Village, ending at Twain’s home on W. 10th St.; 242-5546; Sat. at 1, meets at B’way & Spring St., $15.

"Amble Through the Ramble," Sat at 11; "Views From the Past," Sat at 1; 772-0210 & 794-6564 respectively for res. & meeting place; free [through 11/27].

Licensed guide Philip Schoenberg’s tours of Brooklyn & Manhattan. Tours $12 unless noted, 888-377-4455 for meeting place & info. This week, "Brooklyn Bridge Talk & Walk," Sat. at 2; "Jewish LES Talk & Walk" with free wine, Sun. at 2.

"A Walking & Eating Tour" explores restaurants & specialty shops; 732-636-4650 for res. & meeting place; Weds.-Tues. 11:30-1:30, $20 incl. lunch.

Early morning tour of market’s history & goods; 748-8786; Thurs. at 6 a.m., $10.

Weekend tours cond. by Joyce Gold, a prof. of Manhattan history, 242-5762, res. req., tours $12; This week: "The Vital Heart of Harlem: Its Spirit & Substance."

Tour of 478 acres of lakes, plants, birds & famous resting places; Brooklyn, 718-469-5277 for meeting place; Sun. at 1, $6.

Visit pubs with rich literary histories & read from associated works. Stops incl. Chumley’s, Cornelia St. Cafe, McBell’s & Cedar Tavern; meet at White Horse Tavern, 567 Hudson St. (11th St.); 613-5796; Sat. at 2, $12, $9 st./s.c.

This week, explore the culture, architecture & history of "Chinatown;" 732-270-5277 for res. & meeting place; Sat. at 1, $10.

Ninety-minute shopping tour of Orchard St. district; meet at Katz’s Deli, 205 E. Houston St. (Ludlow St.); 226-9010; Sun. at 11, free [through 12/26].

Insider tours of historic Lower East Side Synagogues. Today, Victoria Confino & the Sephardic LES; meet at the Educational Alliance, 197 E. B’way (Jefferson St.), 598-1200, res. req.; Sun. at 9:30 & 11:30, $18, $15 st./s.c.

Explore neighborhood changes during "Greenwich Village: Preserved & Protected?" tour; meet at Holy Cross Church, 42nd St. (betw. 8th & 9th Aves.), 935-3960; Sat. at 2, $15.

"Garden Highlights Tour," Weds., Sat. & Sun. at 1; "Forest Tour," Thurs. at 1, Sat. & Sun. at 12; "Bird Walk," Sat. & Sun. at 12:30; "Rock Garden Tour," Tues. at 3; NY Botanical Garden; 200th St. (Southern Blvd.), Bronx, 718-817-8700, free w/grounds adm.

"Times Sq. & It’s Signs Through Time"; outside Hanson’s Brewery, 42nd St. (7th Ave.), 873-3400 ext.263, res. req.; Weds. at 6, $12, $10 st./s.c.

"The Central Park South Neighborhood Walking Tour;" 979-2388 for res. & meeting place; Sun. at 2, $10 [through 11/28].

"The Kennedys & the Roosevelts," Sat. & Sun. at 12; "Central Park in Autumn," Sat. & Sun. at 2:30; 465-3331 for res. & location; $12.

"From Pages to Pavement," Sat. at 2; "Elegance & Ale: A Gaslight Era Pub Crawl," Sat. at 6 "Ghosts on Broadway," Sun. at 2; 969-8262 for meeting place; $10.

NY’s most self-consciously quirky tour promises "a counter-cultural experience that most guidebooks do not highlight." Run by an ex-Upright Citizens Brigadier; 802-7383 for times & meeting place; $12.

Sat. & Sun. tours & hikes. This weekend, "Nassau Greenbelt-Bethpage to Massapeque" & "Greystone (Untermeyer Park);" 718-743-0920 & 718-924-7486, respectively, call for meeting place, time & price.

Weekly wild food & ecology hikes lead by Steve Brill; 718-291-6825 for res. & meeting place; $10, $5 child.

"Turkey Classic & Junior Gobbler, 5K" in Central Park; 860-4455 for info, Sun.

"Trendy No Mad Land," Sat. at 12; "Far West 14th St. Area," Sat. at 2; "Haunted Greenwich Village," Sat. at 3:45; "Marvelous Murray Hill," Sun. at 9:30; "Splendid Grand Central Terminal," Sun. at 11; "Terrific Turtle Bay," Sun. at 12:30; "Elegant Enclaves," Sun. at 3; 265-2663 for res. & meeting place; $5.

"The Far West Village–Bohemia Along the Hudson," meets at NE corner of Hudson & Barrow Sts., 718-655-1883; Sun. at 2, $10.

This week: "Brooklyn Bridge & Brooklyn Heights.," Sun. at 1; 439-1090 for info & meeting place; $10, $8 st./s.c.

Blood, Sweat & Pairs expose Broadway’s secrets; Call 946-6375 for res. & meeting place; Sat. & Sun. at 4, $10.

Pat Olmstead leads walking tour of "Greenpoint–A Neighborhood in Transition," 718-788-8500 ext.401 for meeting place; Sat. 12-2:30, $8, $5 st.

"Amble Through the Ramble," Sat at 11; "Views From the Past," Sat at 1; 360-2726 & 772-0210 respectively for res. & meeting place; free.

Licensed guide Philip Schoenberg’s tours of Brooklyn & Manhattan. Tours $12 unless noted, 888-377-4455 for meeting place & info. This week, "NY in War & Peace," Thurs. at 11:11; "Let’s Kiss the Lawyers," Thurs. at 2; "Child-friendly Ramble: Chinatown for Children," Sat. at 11; "The Hidden Treasures of Chinatown," Sat. at 2; "Child-friendly Ramble: A Child’s Eye View of the Jewish LES," Sun. at 11; "Jewish LES Talk & Walk" with free wine," Sun. at 2.

"A Walking & Eating Tour" explores restaurants & specialty shops; 732-636-4650 for res. & meeting place; Weds.-Tues. 11:30-1:30, $20 incl. lunch.

Early morning tour of market’s history & goods; 748-8786; Thurs. at 6 a.m., $10.

Weekend tours cond. by Joyce Gold, a prof. of Manhattan history, 242-5762, res. req., tours $12; This week: "Hell Ain’t Hot–This is Hell’s Kitchen."

Tour of 478 acres of lakes, plants, birds & famous resting places; Brooklyn, 718-469-5277 for meeting place; Sun. at 1, $6.

Visit pubs with rich literary histories & read from associated works. Stops incl. Chumley’s, Cornelia St. Cafe, McBell’s & Cedar Tavern; meet at White Horse Tavern, 567 Hudson St. (11th St.); 613-5796; Sat. at 2, $12, $9 st./s.c.

"The Nooks & Crannies of Greenwich Village" looks at architecture, landmarks & history; 732-270-5277 for res. & meeting place; Sat. at 1, $10.

"Auf deutsch; Harlem," Sat. at 11 a.m.; "Singles Tour: Greenwich Village," Sat. at 4; "Harlem Gospel," Sun. at 10 a.m.; 718-204-5133 for meeting place, $15-$20.

Ninety-minute shopping tour of Orchard St. district; meets at Katz’s Deli, 205 E. Houston St. (Ludlow St.); 226-9010; Sun. at 11, free [through 12/26].

Insider tours of historic Lower East Side Synagogues, stops incl. Angel Orensanz Cultural Center & Kehila Kedosha Janina; meet at the Educational Alliance, 197 E. B’way (Jefferson St.), 598-1200, res. req.; call for times, $18, $15 st./s.c.

Explore neighborhood changes during "Hell’s Kitchen South" tour; meet at Holy Cross Church, 42nd St. (betw. 8th & 9th Aves.), 935-3960; Sun. at 1, $15.

"Garden Highlights Tour," Weds., Sat. & Sun. at 1; "Forest Tour," Thurs. at 1, Sat. & Sun. at 12; "Bird Walk," Sat. & Sun. at 12:30; "Rock Garden Tour," Tues. at 3; NY Botanical Garden; 200th St. (Southern Blvd.), Bronx, 718-817-8700, free w/grounds adm.

"Times Sq. & It’s Signs Through Time"; outside Hanson’s Brewery, 42nd St. (7th Ave.), 873-3400 ext.263, res. req.; Weds. at 6, $12, $10 st./s.c.

"The Central Park South Neighborhood Walking Tour;" 979-2388 for res. & location; Sun. at 2, $10 [through 11/28].

"The Wealth & History of 5th Ave.," Sat. & Sun. at 12; "Sutton Pl. & Treadwell Farm Historic District," Sat. & Sun. at 2:30; 465-3331 for res. & location; $12.

Urban planner & author, Gilbert Tauber leads tour of landscapes & landmarks in Central & Riverside Park; meet at Vanderbilt Gate, 105th St. (5th Ave); 932-9592; Sun. at 1, $15.

"The East Village," Sat. at 2; "Ghostly Greenwich Village," Sat. at 6 "Greenwich Village Past & Present," Sun. at 2; 969-8262 for meeting place; $10.

NY’s most self-consciously quirky tour promises "a counter-cultural experience that most guidebooks do not highlight." Run by an ex-Upright Citizens Brigadier; 802-7383 for times & meeting place; $12.

Sat. & Sun. tours & hikes. This weekend, "Major Welch Trail" & "Green Farms to Fairfield," 718-743-0920 & 718-420-9569, respectively, call for meeting place, time & price.

Weekly wild food & ecology hikes lead by Steve Brill leads. This week, "Prospect Park," Sat. at 11:45 & "Cunningham Park," Sun. at 11:45; 718-291-6825 for res. & meeting place; $10, $5 child.

Fireworks & nauseous rides, together again. Ain’t it American?; Boardwalk at W. 10th-12th Sts., Coney Island, 718-643-5500; Fri. at 9.

52nd St. from Lexington-6th Aves.; 809-4900; Sun. 11-6, free.