Outdoor Travel

Zooplankton help clean Lake Tahoe by eating tiny particles that can make the water cloudy.

Why Lake Tahoe Is the Clearest It's Been in 40 Years

Thanks to a "natural clean-up crew" of zooplankton, the large freshwater alpine lake is looking especially pristine

A sunet behind the mountains in what is now the Avi Kwa Ame National Monument in Nevada

Biden Designates Two New National Monuments

In total, the protected areas across Nevada and Texas encompass 514,000 acres of public lands

Aspen Mountain and Aspen Highlands in Colorado extended their seasons this winter.

Ski Resorts in the Western U.S. Will Stay Open Into the Spring and Summer

Slopes in California, Utah and Colorado are extending their seasons after record-breaking snowfall

The sun sets over the Susquehanna River in northern Pennsylvania.

America's Waterways: The Past, Present and Future

In a series of articles, <em>Smithsonian</em> magazine highlights all that draws our eyes to our nation's fresh and coastal waters

Sargassum is not a new problem. But the mass of floating seaweed in the Atlantic Ocean is getting bigger, according to scientists.

A 5,000-Mile-Wide Mass of Seaweed Is Heading for Florida and Mexico

Known as sargassum, the algae can hurt tourism as it piles up on beaches and starts to rot

The push to rename Mount Evans in Colorado has gained momentum in recent years.

Officials Delay Vote to Rename Colorado's Mount Evans

The mountain is named for John Evans, who oversaw the Sand Creek Massacre in 1864

Replicating the last leg of French explorer Alexandra David-N&eacute;el&rsquo;s journey in the early 1900s, Elise Wortley hiked 108 miles&nbsp;from Lachen, in Sikkim, India, to Kanchenjunga base camp in 2017.

Adventurer Elise Wortley Recreates the Journeys of Famous Female Explorers

For historical accuracy, the 33-year-old Brit wears only the cotton dresses, yak wool coats and hobnail boots that her predecessors would have had

Tourists on a cruise spotted a rare, giant phantom jellyfish&nbsp;in Fournier Bay of Anvers Island off the Antarctic Peninsula last year.

How Vacationers on Antarctic Cruises Are Filling in Scientific Gaps

From ships and submarines, citizen scientists can access remote areas ripe for new discoveries. But does the research make up for the climate impact?

The birds gather by the thousands along the Platte River.

See Thousands of Sandhill Cranes Gather in Nebraska

Every year, travelers attempt to witness the birds on their long journey north

Officials in Peru closed Machu Picchu following security concerns and damage to nearby railways.

Machu Picchu Reopens Following Weeks of Civil Unrest

Authorities, protesters and businesses came to an agreement to ensure the site's safety

The Mexican government has banned shark-related tourism activities, including cage diving, at Guadalupe Island.

Mexico Bans Great White Shark-Related Tourism on Guadalupe Island

The government cited bad practices in the industry as a reason for the ban, which has sparked concerns for the local economy

Havasu Falls in Arizona

Havasu Falls Is Reopening After Three Years

Travelers whose reservations were canceled during the pandemic are first in line

Officials in Peru closed Machu Picchu following security concerns and damage to nearby railways.

Peru Closes Machu Picchu Amid Anti-Government Protests

More than 50 people have died as demonstrations escalate and police crack down on dissent

Commuters behind frozen bus windows in Yakutsk, known as the coldest city in the world

Just How Chilly Is the World's Coldest City?

The temperature in Yakutsk, Russia, dropped to a record-breaking minus 80 degrees Fahrenheit this month

Machu Picchu, a 15th-century Inca structure in the Andes Mountains

Helicopters Evacuate Travelers Stranded at Machu Picchu

Hundreds of tourists found themselves trapped at the site as protests spread through Peru

Pilgrims queue to get inside of the Basilica of Guadalupe on December 11, 2022.

Millions of Pilgrims Gathered to Celebrate the Virgin of Guadalupe in Mexico City

After two years of pandemic closures, the annual tradition is back in full force

View of the Grand Canyon showing the Bright Angel Trail, which leads to Havasupai Gardens, formerly known as Indian Garden

Officials Rename Popular Grand Canyon Site to Honor Havasupai Tribe

The National Park Service forcibly removed members of the tribe from the area in the 1920s

El Capitan inside Yosemite National Park

This Summer, You Can Visit Yosemite Without a Reservation

The park is ending its reservation system, which critics say could lead to overcrowding

According to the National Park Service, 95 percent of U.S. brown bears live in Alaska.

Getting Up Close to the Bears of Alaska's Lake Clark National Park

The high density of brown bears in the protected area makes it an ideal spot for viewing and research

The tunnel opens onto an outdoor platform offering views of Horseshoe Falls.

Wander Through a 2,200-Foot-Long Tunnel Beneath Niagara Falls

The tunnel, which opened to visitors this summer, was once a vital part of a hydroelectric power plant on the Canadian side of the iconic cascades

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