The Moscow Kremlin is a fortified complex in the center of the city made up of more than 15 buildings, 20 towers, and more than 1.5 miles of walls that are up to 21 feet thick. It's the official residence of President Vladimir Putin , although he doesn't actually live there.

While there are actually many kremlins throughout Russia, Moscow's is, by far, the most famous.

On a recent trip to Russia, I paid $10.50 for a ticket to visit a section of the Kremlin. Here's what it looks like inside.

See the rest of the story at Business Insider

See Also:

SEE ALSO: I rode the legendary Trans-Siberian Railway on a 2,000-mile journey across 4 time zones in Russia. Here's what it was like spending 50 hours on the longest train line in the world.

DON'T MISS: I ordered the same meal at a McDonald's in Moscow and New York City, and the Russian location was a step up from the American one