What's Inside?

Should this club be ILLEGAL? Some say USGA should BAN it!

Elon Musk is digging tunnels underneath cities and using the dirt to make bricks! How durable are they? First Ride Inside Elon Musk's Boring Tunnel!

We TAKE APART the Motorola 8000x! Thanks to Constant Contact for sponsoring a portion of this video. Check them out here: constantcontact.com What's inside World's Smallest Cell Phone?

The Ultimate Las Vegas Nevada Underground Bunker! Thanks to AMC’s The Walking Dead: World Beyond for sponsoring this video!

Will the Nike Alphafly make you faster than ever? Thanks to Zack for testing out the Nike's and being so fast! Subscribe to his channel!

How does an air fryer actually work? Thanks to Heinz Test Kitchen for sponsoring this video.

Exclusive tour of the SECRET VAULT inside Mt. Rushmore! Thanks to the US Department of the Interior for giving us this incredible access!

A human can be flushed down this giant toilet! This video was sponsored by Cottonelle.

We dropped a GIANT subwoofer onto a mini Tesla! Thanks to TruAudio for sponsoring this video!

These speakers have amazing sound from inside our walls! Thanks to TruAudio for sponsoring this video!

This Megalodon shark tooth is over 3 million years old! Thanks to Sensodyne for sponsoring this video.

We cut open a seat from a Tesla!

Elon Musk made a Bio Weapon Defense Mode! We find out how to replace the Filter. This thing is huge! Watch every Tesla Ever Made: youtu.be/q1ZIbNWdS2o Buy some of our new merch!

The most interesting shower you've ever seen! Thanks to Kohler for sponsoring this video.

Do Twinkies really stay good forever? We test old and new Twinkies! Whats inside 30-Yr-Old Can of Soup?

New vs. Old Tesla Wall Chargers! A portion of this video is sponsored by Norton 360.

We used a water jet on a hydro flask! Get your own What's Inside water bottle! whatsinsidemerch.com We Have Merch! youtube.com/watch?v=4cKPQ0F0fWE What's inside a Yeti Cup?

Glasses that play music, make phone calls and help you train for sports! Thanks to LastPass for sponsoring this video.

Our top 5 Favorite Tech products from CES 2020! Home of the Future at CES 2020: youtube.com/watch?v=AqxRSeuwdL4&t=161s What did you guys think of the tech this year?

We CUT OPEN Adidas Boost Balls exclusive from Adidas after our Twitter livestream unboxing Ultraboost 20 shoes.

Gucci, Louis Vuitton, Channel, etc. are crazy EXPENSIVE!

Rare custom Jordan shoes are the same Elon wore at Tesla Launch Event! Get 3 months of Audible for just $6.95 a month. Choose 1 audiobook and 2 Audible Originals absolutely free.

Choosing the right mattress can be difficult - we compared four top brands! Thanks to Purple for sponsoring this video.

Clothing store security tags are tough to open! Thanks Mack Weldon for sponsoring this episode.

Cat Machine vs Vending machine! Let's see how this thing works!

YouTube's 100 million Subscriber Award is here! How is it made? Congrats to Pewdiepie and T-Series for achieving this incredible milestone!

The Meteor From SHARK TANK is here and we BREAK IT open!

Did we find the bike lock nobody can break? Thanks to ExpressVPN for sponsoring this video. Go to expressvpn.com/whatsinside and find out how you can get 3 months free.

We take apart a Chainsaw! Let's plant 20,000,000 Trees! #TeamTrees Donate here: teamtrees.org Remember to support other creators that made videos for this great cause to plant trees.

We saw a TV that is completely see through!