Excelsior Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Excelsior Geyser Crater, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

View of Old Town Dubrovnik from terrace of Excelsior Hotel, Dubrovnik, Croatia, Europe

Terrace of Excelsior Hotel with Dubrovnik Old Town in the distance, Dubrovnik, Croatia, Europe

Speeding pleasure boat, Excelsior Vittoria Hotel, Sorrento, Bay of Naples, Campania, Italy, Mediterranean, Europe

Excelsior Vittoria Hotel and other accommodation, Sorrento, Bay of Naples, Campania, Italy, Mediterranean, Europe

Grand Prismatic Spring and Excelsior Pool behind, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Excelsior Geyser Crater. Yellowstone National Park, Wyoming, USA, North America

View of the old town from Hotel Excelsior, Dubrovnik, Croatia, Europe

Evening view of patio overlooking harbour and waterfront, Excelsior Hotel, Dubrovnik Old Town, Dalmatia, Croatia, Europe

Ash, Fraxinus excelsior, trees in hedge line, Brechin, Angus, Scotland

Hot spring with steaming turquoise water, Excelsior Geyser Crater, Yellowstone National Park, Wyoming, USA, North America

Hot spring with steaming turquoise water, Excelsior Geyser Crater, Yellowstone National Park, Wyoming, USA, North America

Runoff from Excelsior Geyser into Firehole River, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA

Outlet of the Excelsior Geyser in Firehole River, Midway Geyser Basin, colourful thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA

Ash (Fraxinus excelsior) in dawn with morning fog, Rheinberg, Lower Rhine, North Rhine-Westphalia, Germany, Europe

Blue illumination of the Excelsior Hotel Ernst, luxury hotel in the Trankgasse street, Cologne, Rhineland, North Rhine-Westphalia, Germany, Europe

Runoff from Excelsior Geyser into Firehole River, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, geysers, hot springs, Yellowstone National Park, Wyoming, United States of America, USA

Firehole River in Yellowstone. Waterfalls of hot water.

Excelsior Geyser Crater near Grand Prismatic Spring, Yellowstone National Park.

Excelsior Vittoria Hotel, Sorrento, Campania, Italy

Light Micrograph (LM) of a tranverse section of a stem of a Common (European) Ash tree (Fraxinus excelsior), magnification x30

Light Micrograph (LM) of a tranverse section of a stem of a Common (European) Ash tree (Fraxinus excelsior), magnification x12

Digitalis purpurea Hybrides Excelsior

Digitalis purpurea Hybrides Excelsior

Digitalis purpurea Hybrides Excelsior

Digitalis purpurea Hybrides Excelsior