Natural Wonders of United States: The 20 Most Beautiful Places to Visit

The American West is a showcase of deep geology and dynamic Earth: the Colorado Plateau exposes nearly two billion years of rock in canyons like the Grand Canyon; the Yellowstone hotspot drives more than half the planet's geysers; and the Sierra Nevada's glacier-carved granite forms valleys like Yosemite. Across the country run deserts, forests, coastlines, and mountains, protected within a national-park system — the world's first — that has become a model for conservation everywhere. Below are the 20 natural wonders of United States in the atlas — the most beautiful places to build a trip around, each with what makes it remarkable, when to go, and how to reach it. Best overall time: Varies hugely by region: spring and autumn are ideal for the desert Southwest, while the mountain West (Yellowstone, Yosemite high country) is best from late spring to early autumn when roads and trails are open.

Arches National Park

Utah, USA

The greatest concentration of natural stone arches on Earth — more than 2,000 sandstone spans, fins, and balanced rocks glowing red above the high desert of Utah.

Rock formation North America

Bryce Canyon

Utah, United States

Not really a canyon at all, but a series of vast natural amphitheatres filled with thousands of glowing orange rock spires called hoodoos — the largest concentration of these strange pinnacles on Earth.

Rock formation North America

Crater Lake

Oregon, USA

The deepest lake in the United States — a caldera of astonishing, luminous blue, formed when a great volcano collapsed and filled with nothing but rain and snow.

Lake North America

Denali

Alaska, USA

The highest peak in North America — a 6,190-metre wall of rock and ice towering over the Alaskan wilderness, so tall its base-to-summit rise is among the greatest of any mountain on Earth.

Mountain North America

Giant Forest Sequoias

California, USA

Groves of giant sequoias — the largest living things on Earth by volume — including General Sherman, a single tree containing more wood than almost any other organism alive.

Forest North America

Grand Canyon

Arizona, United States

One of the most staggering landscapes on Earth — a mile-deep, 446-kilometre-long chasm where the Colorado River has laid bare nearly two billion years of the planet's history in bands of coloured rock.

Canyon North America

Grand Teton

Wyoming, USA

A wall of jagged granite peaks erupting straight from a flat valley floor with no foothills — the most abruptly dramatic mountain front in North America, mirrored in glacial lakes.

Mountain North America

Kīlauea

Island of Hawaiʻi, United States

One of the most active volcanoes on Earth — a shield volcano on Hawaiʻi whose lava has repeatedly reshaped the island, sometimes glowing in a lava lake and, at times, spilling in rivers of fire to the sea.

Volcano North America

Monument Valley

Arizona–Utah border, Navajo Nation

Colossal red sandstone buttes standing alone on a desert plain — the defining landscape of the American West, on Navajo land where the mesas rise up to 300 metres from the flats.

Rock formation North America

Yellowstone

Wyoming / Montana / Idaho, United States

The world's first national park, sitting atop a giant volcanic hotspot — home to half the planet's geysers, rainbow-rimmed hot springs like Grand Prismatic, and vast wildlife-rich valleys of bison, wolves, and bears.

Geyser North America

Antelope Canyon

Navajo Nation, near Page, Arizona, United States

A slot canyon of flowing, sculpted sandstone walls glowing orange, purple, and gold — carved by flash floods into curving corridors where, at midday, shafts of sunlight spear down like beams of light.

Canyon North America

Death Valley

California / Nevada, United States

The hottest, driest, and lowest place in North America — a vast desert of salt flats, sculpted dunes, and painted badlands that, against all odds, bursts into wildflowers after rare rains.

Desert & dunes North America

Glacier National Park

Montana, USA

The 'Crown of the Continent' — a wilderness of knife-edged peaks, hanging valleys, turquoise glacial lakes, and alpine meadows in the northern Rockies, crossed by one of the world's great mountain roads.

Mountain North America

Kenai Fjords National Park

Kenai Peninsula, Alaska, United States

A coast of glacier-carved fjords on the Gulf of Alaska, where tidewater glaciers spilling from the vast Harding Icefield calve straight into the sea among humpback whales, orcas, sea otters, and cliffs of nesting seabirds.

Fjord North America

Mammoth Cave

Kentucky, USA

The longest cave system known on Earth — over 685 kilometres of mapped passages winding beneath the Kentucky hills, with new miles still being discovered.

Cave North America

Olympic National Park

Washington State, USA

Three wildernesses in one — moss-draped temperate rainforest, glaciated peaks, and a wild driftwood coast of sea stacks, all packed onto a single Pacific peninsula.

Forest North America

Redwood Forests

Northern California, USA

Cathedral groves of coast redwoods — the tallest living things on Earth — rising over 100 metres in cool, fog-fed forests along the northern California coast.

Forest North America

The Everglades

Florida, United States

A vast, slow-moving 'river of grass' at the tip of Florida — a shallow, sawgrass-covered wetland the size of a small country, and the only place on Earth where alligators and crocodiles live side by side.

Wetland North America

Yosemite Valley

Sierra Nevada, California, United States

A glacier-carved granite valley of sheer cliffs and thundering waterfalls in California's Sierra Nevada — home to the monoliths of El Capitan and Half Dome, and groves of giant sequoias, the largest trees on Earth.

Mountain North America

Zion Canyon

Utah, United States

A soaring sandstone canyon in southern Utah where sheer 600-metre cliffs of cream, pink, and red rock rise above a green river valley — carved by the Virgin River and threaded by unforgettable trails.

Canyon North America