The touristic spots in Dublin

The most touristic spots in Dublin are:

The Christ Church Cathedral or, more formally, the Cathedral of the Holy Trinity.

The Christ Church Cathedral.

The Four Courts (1785) at the Liffey River.

The Liffey River.

Statue at the Dublin Castle.

Statue at the Dublin Castle.

The best way of learning a bit about the Trinity College isn't to get a guided tour.
It costs 10€ and includes the entrance to the Old Library, where the Book of Kells can be seen.

Campanile in the Trinity College.

Building of the Trinity complex donated by its most famous student, Bram Stoker.

Old Library in the Trinity College.

Old Library in the Trinity College.

At the Trinity College.

The Statue of Mollie Malone also known as "Cockles and Mussels" or "In Dublin's Fair City".
"In Dublin's fair city
Where the girls are so pretty,
I first set my eyes
On sweet Mollie Mallone
(..)"

Molly Malone, the Tart with the cart.