Little do we know, the Sphinx is more than just a large monument in the middle of the desert. Experts say that it also houses very elaborate tunnels and chambers found just inside the block of the Sphinx’s side, leading down to the bottom of the structure.

Charing Cross was not how it used to be! The popular crossroad was built over an old street known as Little Compton. Remnants of the street can be seen as a utility tunnel covered with grills and railings along the bustling road where it used to be run through the city.

As one of the busiest spots in London, it must have surveillance and protection, and one of the architects for the place had a solution: to build an unsuspecting police station within the area. Although it is not being used anymore, it still casts wonder and draws the attention of a lot of tourists.

It would be unusual to hear track noises when staying overnight in a hotel. Well, this is not the case for The Waldorf Astoria in New York City, as its bottom houses the old steam trains from Manhattan’s long-forgotten Track 61!

Like Leonardo da Vinci, the sculptor behind the great artist’s giant statue was also fond of hiding Easter eggs in his masterpieces. Assen Peikov made the final touches for his work by placing a secret compartment containing parchments around the middle.

The colossal structure is home to rich Roman history. But it wasn’t until historians and archaeologists scratched the surface of the Colosseum that they dug up remarkable discoveries underneath the arena floor, including a network of intricate tunnels, called the “hypogeum.”

Niagara Falls is one huge tourist attraction, surpassing New York and Canada. But there is another thing that’s common between the places, and it’s the Cave of the Evil Spirit, a chasm found in the Niagara Gorge. Legend has it that anyone who enters the cave will have bad luck follow them.

Disneyland is more than just fun and rides. It can have some sophistication too! Club 33 is a private club for Disney lovers present in various Disney Parks, where they offer unique experiences for its members. The club is so exclusive that it has a long waitlist of membership applicants, who all wrote a letter to be welcomed into the family.