Greece, Attica, Athens, List of International Olympic Committee Presidents inscribed on marble plaque, Panathenaic Stadium.

Greece, Attica, Athens, List of summer Olympic Games dates and venues in Greek on marble plaque, Panathenaic Stadium.

Greece, Attica, Athens, Royal boxes used in 1896, Panathenaic Stadium, original modern day Olympic Stadium.

USA, Utah, Moab, A basejumper leaps off the top of the 400 foot vertical face of the Tombstone in Kane Springs Canyon.

USA, Utah, Moab, A basejumper leaps off the top of the 400 foot vertical face of the Tombstone in Kane Springs Canyon.

USA, Utah, Moab, A group of slackliners play on the Space Net hundreds of feet above Mineral Canyon during a highline gathering. Behind are several long slacklines over the canyon.

USA, Utah, Moab, A young man slacklining or highlining hundreds of feet above Mineral Canyon during a highline gathering.

USA, Utah, Moab, A young man slacklining or highlining hundreds of feet above Mineral Canyon during a highline gathering.

USA, Utah, Moab, A basejumper descends in his parachute off the 400 foot vertical face of the Tombstone in Kane Springs Canyon.

USA, Utah, Moab, A basejumper leaps off the 400 foot vertical face of the Tombstone in Kane Springs Canyon near Moab, Utah. He has deployed his pilot chute.

USA, Utah, Moab, A base jumper leaps off the 400 foot vertical face of the Tombstone in Kane Springs Canyon.

USA, Utah, Arches National Park, A hot air balloon flying near Moab, Utah. In the foreground is the rock formation known as the Three Gossips.

USA, Arizona, Monument Valley, A hot air balloon flying by the Three Sisters during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, A hot air balloon flying by Spearhead Mesa during Balloon Festival in the Navajo Tribal Park.

USA, Arizona, Monument Valley, Hot air balloon flying by Merrick Butte during Balloon Festival in the Navajo Tribal Park.