[Answer] Tens of thousands of people are demonstrating in this Czech city in what organizers described as "the biggest protest since the fall of Communism."

Step 1 : Introduction to the question "Tens of thousands of people are demonstrating in this Czech city in what organizers described as "the biggest protest since the fall of Communism.""

...Protesters in Prague are demanding the resignation of Prime Minister Andrej Babis, accused of fraud and collaborating with the Communist-era secret police, and his justice secretary Marie Benesova.

[Answer] This petroglyph site with thousands of shapes and drawings is one of the largest in North America and is located on a cliff overlooking a major city in New Mexico.

Step 1 : Introduction to the question " This petroglyph site with thousands of shapes and drawings is one of the largest in North America and is located on a cliff overlooking a major city in New Mexico. "

...1. Legend Rock Petroglyphs 2. Petroglyph National Monument 3. Jeffers Petroglyphs 4. Newspaper Rock State Historic Monument

[Answer] 4. Thousands of tourists flock to Goa each year on vacation. Located on the west coast of India, what is the state most famous for?

Step 1 : Introduction to the question "4. Thousands of tourists flock to Goa each year on vacation. Located on the west coast of India, what is the state most famous for?"

...1. Beaches 2. Shopping 3. Museums 4. Rainforest In terms of area, the state of Goa is the smallest in area. The state still has over 125 kilometres worth of beaches. Baga and Anjuna are the most popular beaches and are towards the centre of the strip. Towards the north and south ends of Goa, beaches become more scarce and less crowded.

[Answer] Thousands gather at this prehistoric monument in England every year to mark the winter solstice.

Step 1 : Introduction to the question " Thousands gather at this prehistoric monument in England every year to mark the winter solstice. "

...1. Stonehenge 2. Newgrange 3. Goseck Circle 4. Machu Picchu

[Answer] Carlsbad Caverns are home in the summer to thousands of which creature?

Step 1 : Introduction to the question "Carlsbad Caverns are home in the summer to thousands of which creature?"

...1. 13-year cicadas 2. hummingbirds 3. free-tailed bats 4. luna moths

[Answer] While visiting Eagle, Idaho for the "World's Largest Rocky Mountain Oyster Feed", Ralph got to watch thousands of people enjoying which of the following meat products?

Step 1 : Introduction to the question "While visiting Eagle, Idaho for the "World's Largest Rocky Mountain Oyster Feed", Ralph got to watch thousands of people enjoying which of the following meat products?"

...Rocky Mountain oysters are the testicles of a bull calf. Preparation involves peeling the skin off the testicle, pounding it flat, coating it in seasoned flour, and then deep frying. It is often consumed with a side of cocktail sauce. Other nicknames for this dish include the following: swinging beef, Montana tendergroins, dusted nuts, and cowboy caviar. Without being judgemental, Ralph decided to pass on this local specialty. Ralph and dcpddc478 both think that a nice salad might be a better choice in this instance.