Pictures, Images and Stock Photos

Pink iris isolated on black background.

A flock of scarlet macaws, Ara macao, in a tree. Taken in Guanacaste, Costa Rica

A secluded waterfall in a tropical rainforest. This is the Celeste Waterfalls in Costa Rica (Catarata Celeste). The water is a sky blue due to the mixture of sulfur rich water from a nearby volcano and copper ore which forms copper sulfide which is a deep blue color.

Neuroendocrine carcinoma well differentiated (carcinoid) rectum with immunostain synaptophysin

A monochrome image of the statue of Abraham Lincoln in the Lincoln in the Lincoln Memorial in Washington, DC.

The town of Menaggio on the shore of Lake Como (Lago di Como),Italy.

The observation deck and restaurant at the top of the Schilthorn in the Bernese Alps, Switzerland. Tourists can be seen on the observation deck. The Jungfrau, Monch and Eiger mountains can be seen in the background.

Llamas resting on a terrace during the first light on the ruins of the Incan city of Machu Picchu, Peru.

Dramatic skies over the Arenal Volcano, Costa Rica

Micrograph of Invasive urothelial carcinoma high grade. Invasive urothelial carcinoma is a type of Transitional cell carcinoma (TCC, also urothelial cell carcinoma or UCC) and is a type of cancer that develops in the urinary system: the kidney, urinary bladder, and accessory organs. It is the most common type of bladder cancer and cancer of the ureter, urethra, and urachus. Invasive urothelial carcinoma originates from tissue lining the inner surface of these hollow organs - transitional epithelium. It can extend from the kidney collecting system to the bladder. H&E Stain

View of a small crescent beach hidden away among green hills and forests. Punta Islita Beach, Guanacaste, Costa Rica

Pigmented superficial type basal cell carcinoma (skin cancer). A centimeter ruler is shown next to the lesion.

Panoramic of the Thomas Jefferson memorial in the early morning. The Japanese Cherry Trees in their spring time peak bloom.

Guava fruit hanging on the limbs of a tree. Image taken in Costa Rica.

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An American Robin (Turdus migratorius) perched on a branch feeding on orange berries.

Paris, France - July 12, 2013: High speed TGV trains parked at the Gare de Lyon train station platform.

Giant tree in empty field in Guanacaste, Costa Rica These trees are very typical for this region. The Guanacaste tree (Enterolobium cyclocarpum) is the Costa Rican national tree.

High angle view of the ancient Inca ruins of Machu Picchu as seen from the approach along the Inca trail. Mount Huayna Picchu is in the background.

Colorful house facades along a street in Old San Juan, Puerto Rico with a Puerto Rican flag hanging down from one of the balconies

Farm land and rain forest surrounding the Arenal Volcano in Costa Rica, Central America.

Bonsai tree in ceramic pot.

Endometriosis describes a condition where pieces of womb lining tissue or endometrium are deposited outside the womb, in the pelvis or abdomen. The endometrial tissue may occur on the fallopian tubes, ovaries, peritoneum, gut, rectum or vagina.

Woman standing on a ledge and overlooking the Inca ruins of the city of Machu Picchu seen in the background.

A camelia bush full of red blossoms.

A close-up of an old style antique clock.

Close-up of a Pink Cymbidium Orchid with copy space.

Looking down the main street of the old town of Dubrovnik, Croatia. The street is empty because it is very early in the morning and there is a light rain which makes the cobble stones glisten.

Green violetear hummingbird (Colibri thalassinus), flying in mid-air with an out of focus background. San Gerardo de Dota, Costa Rica

Vibrant tropical forests flow down from the mountains to the sandy beaches along the coast. Aerial view of the Costa Ballena near Dominical, Costa Rica.

Wind turbines in the early morning surrounded by fog. Image taken in Costa Rica.

Bonsai tree in ceramic pot.

A cluster of lilac flowers.

Extreme macro of a red and purple anemone poppy.

A close-up of a romantic pale pink rose isolated on a black background. Very shallow depth of field.

An outdoor marketplace selling mangos. Photo taken in Costa Rica.

The beach at Cahuita National Park in Costa Rica on the Caribbean coast is line with palm trees and beach almond trees.

A pair of oxen pulling a typical colorfully painted Costa Rican ox cart.

"A large number of amaryllis bulbs for sale at a flower market in Amsterdam, Holland."

Microscopic photo of a professionally prepared slide demonstrating Plasma cell myeloma from bone marrow aspirate. Wright Giemsa stain.

Mayan hieroglyphics carved in a stone facade (replica).

A large variety of colorful balls of yarns and ribbons in market in Cusco, Peru.

Purple poppy isolated against a black background.

A white and red parrot tulip against a black background. Background is solid black so that the image can be extended for copy space.

Round window in a brick wall with white frame

A monochrome double tulip isolated on a black background.

Close-up of lily of the valley flowers in a flower bed. These are very small flowers that bloom in the springtime.

Terraced vineyards and olive groves in the Douro Valley along the Douro River.

A dahlia with many petals in black and white (monochrome).

A flock of scarlet macaws, Ara macao, in a tree living in the wild. Taken in Guanacaste, Costa Rica

View of beautiful Avellanas Beach in Guanacaste, Costa Rica (Playa Avellanas)

Micrograph of myeloma neoplasm bone marrow aspirate. Wright Giemsa Stain

Blue morpho butterfly (Morpho peleides) on a tropical plant leaf. Image taken in Costa Rica.

Spring cherry blossoms frame the Washinton Monument and Jefferson Memorial in the early morning in Washington, DC.