In 1995, gray wolves were famously reintroduced into this flagship park to help restore its unbalanced ecosystem.
What is Yellowstone National Park
Flowing northward for over 6,600 kilometers, this iconic African river empties its waters into the Mediterranean Sea.
What is the Nile?
This Virginian took command of the Continental Army in 1775 and famously led a surprise Christmas night crossing of the Delaware River.
Who is George Washington.
This largest planet in our solar system is named after the king of the Roman gods.
What is Jupiter?
This popular toy, often associated with babies, was a must-have in the 1980s.
What is a Cabbage Patch Kid?
This Arizona park is named for the towering, multi-armed cacti that are completely unique to the region.
What is Saguaro National Park
To propel the body through water by coordinated movements of the limbs and torso without touching the bottom.
What is swim?
This US Navy ship commissioned in 1797, is well known for its role in the War of 1812, and is still afloat today.
What is the USS Constitution?
This unit of distance represents how far light travels in one Earth year.
What is a light-year?
This 1989 baby infamously had her 2009 MTV VMA award acceptance speech cut short.
Who is Taylor Swift?
Famous rock formations called "hoodoos," formed over millions of years by weathering and erosion, populate this Utah park.
What is Bryce Canyon National Park.
This molten or semi-fluid rock is expelled from a volcano or fissure during a subterranean eruption.
What is lava?
This formidable Peloponnesian city-state was renowned for its harsh military boot camps and fierce warrior society.
What is Sparta?
Launched in April 1990, this famous orbiting observatory was named after a pioneering American astronomer who discovered that the universe goes beyond the Milky Way.
What is the Hubble Space Telescope?
Stefani Joanne Angelina Germanotta, who wore an edible dress to the 2010 MTV Video Music Awards, is better known by fans as this name.
Who is Lady Gaga?
You will need to venture deep underground into the Chihuahuan Desert to explore this 73-square-mile park.
What is Carlsbad Caverns National Park.
To transition from a solid state to a liquid state as a direct result of thermal heating or increased temperature.
What is melt?
This emperor of Spanish descent ordered a massive stone defensive wall built across northern Britain and rebuilt the grand Pantheon in Rome.
This brief moment of intensified, luminous light is the last evolutionary stage of a massive star before it dies.
What is a supernova?
This 2008 film features Anna Kendrick as a young woman navigating a complicated relationship with her boss, played by George Clooney.
What is "Up in the Air?"
This park is home to the deepest lake in the United States, formed inside a collapsed volcano.
What is Crater Lake National Park?
This complex acoustic phenomenon occurs when a sound wave reflects off a hard distant boundary and returns to the listener's ear.
What is echo?
Despite being poisoned with cyanide and shot multiple times, this controversial Russian mystic ultimately succumbed to drowning in the freezing Neva River in 1916.
Who is Grigori Rasputin?
Saturn’s stunning rings are primarily composed of these two common materials.
What are ice and rock?
Cristiano Ronaldo became the first male player in history to score at least one goal in five different editions of this tournament.
What is the World Cup?