This week on WGCU TV

. Wednesday, April 29 Legacy of War - 10 p.m.

Walter Cronkite explores key European locations, after covering the aftermath of World War II.

. Thursday, April 30 Celtic Woman: The Greatest Journey - 8 p.m.

Highlights of the musical ensemble's performances are intertwined with stunning images of Ireland.

. Friday, May 1 Connect! The Arts - 8:30 p.m.

Turning school kids on to the environment through the Junior Duck Stamp competition; engaging in Baroque period music through the Bach Ensemble; enjoying the incredible art of sandsculpting through the Fort Myers Beach championship. Hosted by Jim McLaughlin.

American Stamps - 10:30 p.m.

Designers and artists for the U.S. Postal Service share the details of their stamp creation process.

. Saturday, May 2 Antiques Roadshow - Grand Rapids - Hour 2 - 8 p.m.

A quilt of fabric scraps signed by 200 celebrities and a collection of wooden fish decoys are appraised.

. Sunday, May 3 Nature - Eagles of Mull - 8 p.m.

The golden eagle and white-tailed eagle thrive on the hauntingly beautiful Scottish island of Mull.

Masterpiece Classic - The Old Curiosity Shop - 9 p.m.

The virtuous Little Nell and her grandfather lose their beloved shop due to tragic misfortunes in this new adaptation of the classic Dickens novel. Featuring an all-star cast including legendary actor Sir Derek Jacobi, Toby Jones, Zoe Wanamaker and Gina McKee.

. Monday, May 4 Antiques Roadshow - Grand Rapids — Hour 3

A painting by French artist Edouard Cortes and prop spears used in "The Wizard of Oz" are appraised.

American Experience - We Shall Remain: Geronimo - 9 p.m.

The healer and leading warrior led the final Native American fighting force to surrender to the United States.

. Tuesday, May 5 NOVA - Extreme Ice - 8 p.m.

Scientists use time-lapse cameras in the Arctic and Alaska to create an archive of melting glaciers.

. Wednesday, May 6 Independent Lens - Wings of Defeat - 8 p.m.

A niece retraces the footsteps of her uncle, who trained as a Kamikaze pilot during his youth but carried the secret to his grave.

World War II Behind Closed Doors - Unlikely Friends (Summer 1939 to Autumn 1941) — Part 1 - 9 p.m.

A revealing exploration of the secret allegiances that Stalin wanted to hide, including his offer to help Hitler.