River cruises in Europe

EUROPE

Presentation

Susan Hickman of Distant Lands Travel will discuss popular river cruise routes and experiences available in 2015.

When, where: 7:30 p.m. Monday at Distant Lands, 20 S. Raymond Ave., Pasadena.

Admission, info: Free. RSVP to (626) 449-3220.

SAN PEDRO

Work day

Learn about shoreline habitats and the coastal sage scrub native plant community while participating in a beach cleanup and native garden work day.

When, where: 8-10 a.m. Saturday at Cabrillo Marine Aquarium, 3720 Stephen M. White Drive, San Pedro.

Admission, info: Free. (310) 548-7562, www.cabrillomarineaquarium.org

JOSHUA TREE

Workshop

Discover new ways to enhance your outdoor experience with the iNaturalist app and website, including how to post your photos of plants and animals as well as observations of the natural world.

When, where: 8:30 a.m.-5 p.m. Saturday and 8 a.m.-noon Nov. 2 at Joshua Tree Visitor Center.

Admission, info: $120. (760) 367-5535

Please email announcements at least three weeks before the event to travel@latimes.com.