If it's the Fourth of July, it's time for the concert on the Mall, this year making its 25th appearance on PBS. Hallmark spotlights a Civil War battle in "The Colt," and CBS looks at the ways

celebrities wed. Oddball abodes are the focus of HGTV's "Offbeat America." The brilliant but germ-phobic detective Adrian Monk is back on the beat for a fourth season. NBC opens the book on the "Time Warp Trio" for an animated look at history. And the Tour de France cycles into view on Outdoor Life Network.

OFFBEAT AMERICA

Sunday at 6 p.m. on HGTV

Every room of Al Johnstone's house is a room with a view.

When trying to decide how to build his mountaintop home, the La Mesa, Calif., resident was so enamored with the vistas that he built a rotating house, giving each room a view that changes minute by minute.

Johnstone is profiled in the premiere episode of this show spotlighting some of the country's ingenious (or just plain wacky) dwellings. Patricia Clark hosts.

animals behaving badly

Sunday at 8 p.m. on Animal Planet

Your un-housebroken puppy may seem as angelic as Lassie after you watch this program, which captures the animal kingdom in graphic, less-than-cuddly moments. The grossness factor means this is one show you probably won't want to watch while you're eating.

nick news: give peace a chance?

Sunday at 8:30 p.m. on Nickelodeon

Journalist Linda Ellerbee travels to the West Bank and Gaza Strip to talk with children affected by the conflict between Israelis and Palestinians.

On the Israeli side are a brother and sister who lost a family member in a Palestinian suicide bombing attack. On the Palestinian side is a girl who believes there will be no peace until the barrier walls come down.

THE '70s HOUSE

Tuesday at 10:30 p.m. on MTV

Twelve young adults who think they've won a spot on a "Real World"-type reality show are about to get a not-so-groovy shock: They'll have to trade their cell phones and computers for rotary phones and plaid leisure suits as they take up residence in a house outfitted in '70s-style.

Elimination challenges are straight out of the polyester decade, too: In the premiere, the contestants play basketball in too-tight retro uniforms as a crowd of very 21st-century teenagers watch and laugh in the bleachers.

an entertainment tonight EVENT: CELEBRITY WEDDINGS UNVEILED

Tuesday at 8 p.m. on CBS

Lara Spencer ("The Insider") and "Entertainment Tonight" personality Carlos Ponce host this special featuring the first celebrity weddings held at the Wynn Las Vegas hotel.

National Football League star Rodney Peete and his wife, actress Holly Robinson Peete, celebrate 10 years of marriage with a sunset ceremony.

Sarah Jessica Parker, Michael J. Fox and John Travolta reminisce about the day each tied the knot.

Tom Brokaw reports

Wednesday

at 10 p.m. on NBC

Brokaw, who retired as anchor of "Nightly News" last year and returns for special reports, sits down with Bob Woodward, an assistant managing editor at The Washington Post, to discuss Woodward's formerly anonymous source, W. Mark Felt, the man known as "Deep Throat."

Brokaw also interviews Carl Bernstein, the other half of the Watergate reporting duo, and Ben Bradlee, the paper's former executive editor.

MIND OF MENCIA

Wednesday at 10:30 p.m. on Comedy Central

From ethnic stereotypes and race relations to war and patriotism, no topic is taboo for Carlos Mencia.

The comedian serves up his view of the world in a new 10-episode series that also will feature man-on-the-street interviews, commercial parodies and studio-audience interaction.

white cane and wheels

Thursday at 7:30 p.m. on Cinemax

Cinemax's "Reel Life Documentary" series chronicles the struggles and joys of Carmen Apelgren and Steve Mendelson, a disabled couple who have been married for 15 years. Once a dancer and actress, Carmen suffers from a degenerative eye disease that left her legally blind at 18. Steve, who once hoped to become a movie actor, is no longer able to walk because of muscular dystrophy.

Capture:

p.o.w. stories

Thursday at 8 p.m.

on Military Channel

As the nation celebrates its independence, this show looks at prisoners of war who endured unspeakable hardships at the hands of enemies, focusing on the Bataan Death March and the cells of what became known as the Hanoi Hilton.

MONK

Friday at 10 p.m. on USA

"Monk" launches its fourth season with the first of eight new mysteries airing Fridays through Aug. 26. Tony Shalhoub stars as the obsessive-compulsive detective who is afraid of nearly everything -- germs, heights and milk, for starters -- but is ingenious at solving crimes.

John Turturro is scheduled to reprise his role as Monk's agoraphobic brother, Ambrose, on July 15. Also returning are regulars Traylor Howard as Monk's assistant, Natalie Teeger; Ted Levine as Capt. Leland Stottlemeyer; and Jason Gray-Stanford as Lt. Randall Disher.

TIME warp trio

Saturday at 11 a.m. on NBC

In this animated series geared toward children from 6 to 11 years old, three boys -- Joe, Sam and Fred -- get their hands on a magic book that sends them anywhere in time or space, whether they want to go or not. Each episode is based on real events.

the colt

Saturday at 9 p.m. on Hallmark

The story of one of the bloodiest battles of the Civil War is told in this two-hour original movie produced by filmmaker Robert Halmi Sr.

In 1864, the men of the First Michigan Cavalry are trapped, injured and outnumbered in a Virginia forest when a mare belonging to one of the soldiers gives birth to a chestnut colt.

Defying his commander's order to destroy the foal, lest it become a hindrance, the soldier (Ryan Merriman) becomes separated from his unit and is faced with protecting his beloved horse, her colt and himself.

-- Written and compiled

by the TV Week staff