For many people, our first encounters with vultures are as dark, shadowy, even menacing figures in fairy tales. That’s a shame, because vultures play helpful,...
















For many people, our first encounters with vultures are as dark, shadowy, even menacing figures in fairy tales. That’s a shame, because vultures play helpful,...
Have you ever seen a greater short-horned lizard scrape its crown of spines along a canyon rim? Smelled the fresh spray of a cascading spring? Heard the love...
On the surface, gophers and wolves don’t seem to have much in common. Gophers are small (just a few inches long), burrowing rodents that primarily consume...
Growing up on the Gulf Coast of Florida, manatees were part of our lives. We’d see them in marinas and on school field trips. I remember one day near the end...
The Amazon river dolphin is known as the botoin in Brazil and as bufeo or bufeo colorado in Spanish-speaking parts of the Amazon Basin, including Peru,...
In 2024, I started the year by writing about nature: CO2 emissions, temperatures and the optimism a lot of us felt about clean energy technologies with...
At first glance, geese and reindeer (called “caribou” in North America) may not seem to have much in common. But there is a link: in some places, they share...
From my perspective, the best thing about winter is snow. When it falls, this natural element covers everything in a white blanket, creating a sense of...
Cheetahs survive on speed, but it is only one of many physical and behavioral adaptations they rely upon to survive a complex set of interlinking challenges....
One of the things I most love about Spring—and miss the rest of the year—is the raucous 5 am wake-up call from birds outside our window. It’s the only noise...
Two billion years of the Earth’s history are represented in the landscape of the American Southwest. Geologic forces created some of the most archetypal and...
Every year, without fail, Thanksgiving and Christmas seem to come right on top of each other. The four weeks between the two holidays fly by, with hardly...
If you look at almost any bird identification guide or mammal encyclopedia, you’ll typically see two to three images of any one animal: an adult female, an...
As the end-of-the-year holidays approach, themes of ice-skating rinks, snowflakes and cute polar bears in sweaters decorate many homes and shops. But if...
The beginning of November always makes me think of the fall migrations of birds. In the United States, this annual ritual typically begins around August 1 and...
All Souls Day, observed on November 2, is a little-known holiday in most of the U.S. outside of some Catholic circles, but in Mexico, the date is heralded by...
With the end of October near and Halloween decorations almost everywhere you look, you might be wondering why certain animals are so often featured as we...
Zimbabwe is a land of striking contrasts, where ancient and recent, natural and built environments coexist. In the news, we hear and read about Zimbabwe as a...
Our Trips
Polar Bear Tours
African Safaris
Galapagos Tours
Alaska Adventures
U.S. National Parks Tours
Canada & the North
Europe Adventures
Mexico & Central America Tours
South America Adventures
Asia Adventures
Australia & New Zealand Adventures
Antarctica & Arctic Journeys
Photo Expeditions
Terra & Tu Cultural Journeys
Adventure Cruises
Women's Journeys
New Adventures
Questions? Call 800-543-8917
Have a question or comment?
Click any of the buttons below to get in touch with us.
Hours
Mountain Time
8 am to 5 pm, Monday - Friday
8 am to 3 pm on Saturday
Closed on Sunday