Kenji Croman captured this wave at sunrise by wading into the surf and holding up his camera (protected by a heavy-duty waterproof case). He tries for such images almost every morning. "I usually have to take about 700 shots to get one," he said. 
A blue monkey looks into the camera. "This particular guy was staring at our Jeep so intently," recalls Bambi Drisko. 
Julee Khoo hopes her photos of various scenes from the Erdene Zuu monastery inspire others to learn more about Mongolia -- a country she considers herself fortunate to have visited. 
The Eta Aquariids meteor shower puts on a show above Mount Bromo, an active volcano in East Java, Indonesia. 
Bluebells bloom on the bank of a river in County Donegal. Jim Murphy shot this photo while on vacation with his family from County Cork. 
Wild horses frolic near Reno. See more beautiful shots of the herds on CNN iReport. 
The Imperial Palace is the home of Japan's Emperor and Empress, but much of the grounds are open to the public. 
The ancient city of Petra, carved into sandstone cliffs in the first few centuries, famously served as the setting for several scenes in "Indiana Jones and the Last Crusade."
The neon signs of Bourbon Street light up the night. "If you ever get a chance to head to the French Quarter, do it," said John McGraw. "It is one of those places that, for us, lived up to the hype." See more photos from around New Orleans on CNN iReport. 
Keith Hajovsky and his girlfriend, whose reflection is seen here, took part in a sea turtle release in El Salvador. "Releasing those little turtles was one of the most wholesome, warm-hearted experiences I've ever had," he said. Read more on CNN iReport. 
Gorgeous landscapes abound in the largest national park in the United States. See more photos from the park, including its massive glaciers, on CNN iReport. 
Colorful boats line the beach at Xuyen Moc. See more photos from around Vietnam on CNN iReport. !["The busy shops [and] bustling crowds of locals and tourists alike, along with the iron signs overhead, created a surreal, baroque atmosphere," said Marianne Sease of this small cobblestone street in <a href='http://ireport.cnn.com/docs/DOC-939234'>Salzburg</a>. "So easy to fall in love with the area!"](http://i2.cdn.turner.com/cnn/dam/assets/130612105549-tpod-salzburg-irpt-vertical-gallery.jpg)
"The busy shops [and] bustling crowds of locals and tourists alike, along with the iron signs overhead, created a surreal, baroque atmosphere," said Marianne Sease of this small cobblestone street in Salzburg. "So easy to fall in love with the area!"
Swans swim in the frigid Nemunas River during the chilly Lithuania winter. Luckily, animal welfare officials were on hand to make sure they didn't get trapped in the ice. See more photos on CNN iReport. 
Terraced fields are used to grow rice in China. See more images of the fields, including mind-boggling shots from above, on CNN iReport. 
The beaches of Los Cabos, at the tip of the Baja California peninsula, are famous for their rock formations.
The Northern Lights dance over the Lyngen Alps. See more spectacular images of the phenomenon on CNN iReport. 
Cloud Gate, affectionately known as "the bean," sits in Chicago's Millennium Park. See more photos of the city's landmarks on CNN iReport. 
Julee Khoo says Bhutan is "as close to a Himalayan utopia as you can get." This hillside is part of a war memorial dedicated to Bhutanese soldiers. 
Elephants enjoy a drink at Shaba National Reserve, where films like "Out of Africa" and "Born Free" were filmed. 
Marie Santos took this photo while hiking The Narrows at Zion National Park. Much of the hike is spent wading through the river. "The views were spectacular and every angle looks different depending on how the light or shadows reflect on the rocks," she said. 
A child waves flies away from a fish seller's stall in a Tripoli market. 
The Italian village of Positano spills from the cliffs onto the beach. Christopher Foltz, who shot this photo, said it's his favorite town in the whole country. 
"Just for this moment, there was a tranquility that I have experienced nowhere else," says Gary Ashley of watching the sunrise from a rowboat on the Ganges. 
This glittering shot of the Edinburgh Castle was captured by iReporter Clayton Riddell. The castle is actually a fortress located in Edinburgh, Scotland, and is now one of the area's top tourist attractions. 
Pink dahlias stand against a backdrop of thousands of other colorful flowers in the Tuileries Garden. See more images from the public garden on CNN iReport. 
Jugglers practice on the beach. "I thought the colors at this time of day were magical," said Jon Nichols. 
The art deco Chrysler Building shines brightly in the New York skyline in this view from the Empire State Building. 
In a traditional sport, Mongolian riders try to find and pick up a coin from the ground without falling off their galloping horse. See more photos and learn about the event on CNN iReport. 
The island of Thira, colloquially known as Santorini, lies off the southeast tip of Greece and is known for its sunsets. See more images from around Greece on CNN iReport. 
Photographer Antonina Reshef is on a mission to revisit the former USSR towns of her youth. See more of her photos from the isolated Kamchatka peninsula in eastern Russia on CNN iReport. 
While spending a day of solitude in northern Israel, Joel Camaya captured this wondrous image of two rock badgers basking in the sun. 
A little girl waits for her playmate in the vibrant streets of Havana, Cuba. 
While visiting the Taj Mahal in Agra, India, Michael Pagedas noticed a unique view of a mosque situated next to the iconic mausoleum. He photographed the mosque through the Taj Mahal's craved marble screen. 
The giant trees of Sequoia National Park overwhelm a building. "At times, you lose perspective of their size," said Pat Kessler. "Occasionally seeing a human or a building nears the trees brings their awesomeness back into focus." See more photos on CNN iReport. 
Water mills stand in the historic town of Huanglongxi. "I felt like I was back to the olden days," said Ter Chieng Chuan. "The unique infrastructure really impressed me." 
Hot air balloons float over the otherworldly valleys of Cappadocia at dawn. 
Flowers spill from the window boxes of ancient buildings in La Alberca, about an hour from Salamanca in western Spain. 
"The town of Saint-Louis...is teeming with bold colors," says Lauren Levine, who shot this photo. "Walls are saturated in reds, yellows and greens." See more of her colorful images on CNN iReport. 
The Tidal Basin reflects the Washington Monument. Surrounding it are the famed cherry trees, a 1912 gift to the United States from Japan, in full bloom. 
A shell rests on the shoreline of Tonga's Pangaimotu Beach in the South Pacific. 
Farmers and monks process in a blessing of the crops in mountainous Tibet, north of Lhasa. "Incense is being burned in the large pot at the front. Prayers and the parade are the bulk of this ceremony and all traffic must halt for the holy procession to pass," says Lee Gunderson, who shot this photo. 
London's Tower Bridge is reflected in the Thames at dawn. 
"As far as exotic yet relatively inexpensive vacations go, you will be surprised by this place," says Erich Ludwig. He and his wife took a day trip to the Phi Phi Islands on one of these boats while vacationing in Phuket, Thailand. 
Egyptian tour guide Khaled Mohamed ElSamman captured this woman in an early morning moment of quiet contemplation in Cairo's Mosque of Mohammed Ali. "As a tour guide, I have the chance to see some very unique moments, and this is one of them," he said. 
The Sydney Opera House, opened in 1973, is an architectural icon. See photos of the inside on CNN iReport. 
Horses pose in their pasture in front of the snow-capped Tetons. 
Geishas stand among a few of Japan's famed cherry trees during peak cherry blossom season. 
The morning sun casts a glow over the sand dunes of Namibia. 
"I think anyone who wants to see a place like this should go while they can," says Daniel Surette, who shot this photo with an underwater camera. "All I heard...from the locals was how we should have seen the reef when it 'was really something.'" 
Temples and pagodas fill the peaks and valleys of Myanmar. This image was captured from the top of Shwesandaw Pagoda. 
This photo of Machu Picchu (at left) and its surrounding peaks was taken from Huayna Picchu, which towers over the ancient Incan site. 
The Sultan Ahmed Mosque -- commonly called the "blue mosque" because of its vibrant blue tiles -- is silhouetted against the evening sky. See more photos from around Istanbul on CNN iReport. 
Jon Tjader captured this photo as the sun set in Antarctica. "I have been to over 60 different countries, and Antarctica hands down takes the cake as the most spectacular landscape on the planet," he said. 
Joshua Rubin waited on the beach for half an hour before getting this perfect shot of two laughing gulls. 
Pink blossoms surround the Summer Palace in Beijing. "We had no idea how absolutely beautiful China would be in spring, or any time for that matter," said Kim Jativa. 
This stunning rock formation stands in Valley of Fire State Park, Nevada's oldest and largest state park. 
Snow geese migrate over Missouri. "They were impossible to miss based on the sheer quantity," said Bill Tiepelman, who thinks there must have been thousands. 
The Milky Way galaxy shines in the sky above the desert outside Abu Dhabi. 
A family of cheetahs enjoys the early morning light in Tanzania's Ngorongoro crater. 
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- See more iReport galleries: South of France, otherworldly landscapes
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(CNN) -- Each day, CNN producers select a user-submitted photo to be our Travel Photo of the Day. Click through the gallery above to see stunning shots from around the world, and be sure to come back every day for a new image. Have a gorgeous travel photo of your own to share? Submit it for the gallery at CNN iReport!
