Conversation so far:
Is the Frontier a property of Steve Wynn?
his success with his family's business allowed him to purchase a small stake in the Frontier Hotel and Casino
Where was the Frontier Hotel located?
Las Vegas
How much did it cost to build the Frontier Hotel?
Was the Golden Nugget a Casino?
Golden Nugget Las Vegas, a landmark downtown casino and one of the oldest casinos in the city.

Question: Are these properties still standing?
Self-contained rewrite: Are theses properties, the Frontier Hotel and the Golden Nugget Las Vegas, still standing?