The exclusive suburb of Double Bay, Sydney, New South Wales, Australia

Panoramic view from a lookout over the Porto Timoni Double Bay, Afionas, Corfu, Greek Islands, Greece, Europe

Marina Bay Sands Hotel and the Double Helix Bridge at night, Singapore, Southeast Asia, Asia

Double Helix Bridge and Art and Science Museum and downtown central financial district at night, Singapore, Southeast Asia, Asia

Elevated view from a lookout over the Porto Timoni Double Bay at sunset, Afionas, Corfu, Greek Islands, Greece, Europe

Elevated view from a lookout over the Porto Timoni Double Bay at sunset, Afionas, Corfu, Greek Islands, Greece, Europe

Elevated view of double bays of Ao Ton Sai and Ao Dalam, Phi Phi Don Island, Phuket Province, Thailand, Asia

London double-decker buses in the First Nations Kwakwaka'wakw people's town of Alert Bay, British Columbia, Canada, North America

Double-crested cormorant (Nannopterum auritum), taking flight, Concepcion Bay, Baja California Sur, Sea of Cortez, Mexico, North America

Double-crested cormorant (Nannopterum auritum), taking flight, Concepcion Bay, Baja California Sur, Sea of Cortez, Mexico, North America

Yachts moored, Sydney Harbour waterfront residences near Point Piper, Double Bay, Australia

Waterfront residences, Point Piper, Double Bay, Sydney Harbour, Australia

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Juvenile double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico. Note the light chest and neck in juveniles.

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorant (Phalacrocorax auritus) in flight formation inMagdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorants (Phalacrocorax auritus) in flight within Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico.

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Adult double-crested cormorant (Phalacrocorax auritus) in Magdalena Bay between Isla Magdalena and the Baja Peninsula, Baja California Sur, Mexico

Drone shot, double bay of Simos beach, Sarakiniko beach, Elafonisos, Deer Island, Laconia, Peloponnese, Ionian Islands, Ionian Sea, Greece, Europe

Entrance arch to Santa Monica Pier, from the Pacific Coast Highway. A popular excursion spot for more than a century, the Santa Monica Pier draws crowds daily. From Wikipedia: "The Santa Monica Pier is a large double-jointed pier located at the foot of Colorado Avenue in Santa Monica, California and is a prominent, 100-year-old landmark. The pier contains Pacific Park, a family amusement park with its one-of-a-kind, state-of-the-art, solar paneled Ferris wheel. It also has an original carousel hippodrome from the 1920s, the Santa Monica Pier Aquarium operated by Heal the Bay, shops, entertainers, a video arcade, a trapeze school, pubs, and restaurants. The west end of the pier is a popular location for anglers.

Young couple sea-kayaking through archepelago of granite islands of Canadian Shield in Georgian Bay, Lake Huron near Philippe Edward Island, Ontario, Canada. A passing thunder storm results in a double rainbow.

Double Lightning Strike During A Thunderstorm Over Hudson Bay, Manitoba, Canada

Hawaii, Oahu, Waiahole, outrigger canoes on beach, turquoise water

Hawaii, Oahu, Kaneohe Bay, Secret Island, White double hull canoe on calm ocean, blue sky.