Hot air balloons taking off from Leeds Castle grounds, Kent, England, United Kingdom, Europe

The San Remo Towers, Central Park West skyline at night reflected in the Lake, Central Park, Manhattan, New York City, United States of America, North America

Structure 16, Mayan Archaeological Site, Yaxchilan, Chiapas, Mexico, North America

La Joute, the fire fountain by Jean-Paul Riopelle, Place Jean-Paul-Riopelle, Montreal, Quebec, Canada, North America

View over the village of Tinghir, Palmeraie de Tinerhir, Dades Valley, Ouarzazate region, Morocco, North Africa, Africa

Tourists, Piazzale degli Uffizi, Uffizi Gallery, Florence, Tuscany, Italy, Europe

Panoramic view along the waterfront of Piran, Slovenia, Europe

Potala Palace, former home of the Dalai Lama, UNESCO World Heritage Site, and Dragon King Pool, Lhasa, Tibet, China, Asia

Leeds Castle, first used as a royal castle in the 9th century, rebuilt in stone by the Normans around 1120, near Maidstone, Kent, England, United Kingdom, Europe

The Round Tower at Windsor Castle, Berkshire, England, United Kingdom, Europe

Assisi, Umbria, Italy, Europe

Worth Avenue, exclusive Mediterranean style shopping street, Palm Beach, Florida, United States of America (U.S.A.), North America

Arcade in the colonial old town, Havana, Cuba

Architectural detail of The Vessel, a 16 storey structure and visitor attraction constructed as a key element of the Hudson Yards Redevelopment Project, Manhattan, New York City, United States of America, North America

Architectural detail of The Vessel, a 16 storey structure and visitor attraction constructed as a key element of the Hudson Yards Redevelopment Project, Manhattan, New York City, United States of America, North America

Architectural detail of The Vessel, a 16 storey structure and visitor attraction constructed as a key element of the Hudson Yards Redevelopment Project, Manhattan, New York City, United States of America, North America

Architectural detail of The Vessel, a 16 storey structure and visitor attraction constructed as a key element of the Hudson Yards Redevelopment Project, Manhattan, New York City, United States of America, North America

Christian cathedral, the Duomo and bell tower (Campanile), Florence, UNESCO World Heritage Site, Tuscany, Italy, Europe

New Scotland Yard, Headquarters of the Metropolitan Police, Westminster, London, England, UK

Comet Holmes, 17P, taken Nov 1, 2007 on excellent night. Taken with A&M 105mm apo refractor at f/5 with Borg 0.85x compressor/field flattener on SkyWatcher HEQ5 mount. Canon 20Da camera at ISO400. Composite of 4 min, 2min, 1min, 30sec, 15sec, and 7 sec exposures, each exposure being a stack of 3 to 4 identical exposures. Registered and stacked in Photoshop (HDR mode did not produce usable result, so manually composited with sucessively smaller masks to reveal short exposure content around nucleus. Contrast exaggerated with Curves to bring out very faint tail structure. North up, so tail to the S and SW.Nucleus is dot at upper left of inner coma, other star in inner coma at right is a field star

Havana, Cuba – 16 December, 2019: Vintage colorful taxis waiting for tourists close to National Capitol Building (El Capitolio) on Paseo del Prado street in front of Gran Havana theater

A view of the Rio-Antirio Bridge, the world's longest cable-stayed suspended deck bridge, from atop a ferry crossing the Gulf of Corinth near Patras, Greece on October 16, 2007.