The National Museum shows off Ireland's history, with treasures from the Stone Age to modern times. Its archaeology branch is itself a national treasure, displaying 4,000-year-old gold jewelry, 2,000-year-old bog mummies, 1,000-year-old Viking swords, and the exquisitely made Tara Brooch.
To see the fabled Book of Kells, one of the most important and beautiful pieces of European medieval art, head to Trinity College. This 1,200-year-old version of the four gospels is filled with illuminated manuscripts.

One of Dublin's most popular, and very busy sites is the Guinness Storehouse, sort of a Disneyland for beer lovers in outer Dublin. Containing four floors of exhibitions and cafés to the skylight. A highlight here is the top-floor Gravity Bar, with a commanding 360-degree view of Dublin, and views all the way to the sea.

One of Dublin's newer monuments is the Spire of Dublin, officially entitled the "Monument of Light."It is a 121.2-metre (398 ft) conical spire made of stainless steel, located on O’Connell Street.

Other landmarks and monuments include Christ Church Cathedral and St Patrick's Cathedral, the Mansion House, the Molly Malone statue, the complex of buildings around Leinster House, including part of the National Museum of Ireland and the National Library of Ireland, The Custom House and Áras an Uachtaráin.

The EPIC: The Irish Emigration Museum is where you will find out what propelled so many Irish around the globe.
The Ha'penny Bridge, an iron footbridge over the River Liffey, is one of the most photographed sights in Dublin and is considered to be one of Dublin's most iconic landmarks.

The weather can change several times in a day, but rarely is it extreme. Daily averages throughout the year range between 42°F and 70°F. No matter when you go, expect rain! Ireland doesn't have a reliable dry season. Dress in layers, consider sunny days a bonus, and take full advantage of "bright spells."

Daylight in October daylight from 06:00 until 21:00 (remember Dublin is as far north as Edmonton, Canada).

Bus
Dublin is served by a network of nearly 200 bus routes which cover the city and suburbs. The majority of these are provided by Dublin Bus.
Rail
Heuston and Connolly stations are the two main railway termini in Dublin. Operated by Iarnród Éireann.

Trams
A light rail system, called the Luas operates in Dublin. It consists of two interconnecting lines; the Red Line links the Docklands and city centre with the south-western suburbs of Tallaght and Saggart. While the Green Line connects northern inner city suburbs and the main city centre with suburbs to the south of the city.


How to get around Dublin
To get from Dublin Airport to Dublin City Centre, there are a few options. You can take one of four Dublin Bus/GoAhead public buses into the city. While these are the cheapest options, be aware they service many stops and will take longer than the next bus option. To find out which public transport buses go to the city centre from the airport, click here.


There are two other main bus services from Dublin Airport to the city centre and they are Aircoach and Airlink. These are express buses into Dublin city centre, and while they can cost more than general public transport buses, they arrive in the city faster.

Once you arrive at Dublin City Centre it is very easy to get around. Dublin is served by taxis, Ubers, trams, trains and buses as well as a few Dublin sightseeing buses which are a great way to see the city and get to the main tourist attractions.
Much of the centre of Dublin is walkable and there are bikes for hire around the city. Buses and taxis can use dedicated lanes which makes public transport a first choice for navigating into and then around Dublin city centre.


Dublin Airport
Dublin Airport is located north of Dublin city, The headquarters of Ireland's flag carrier Aer Lingus and regional airline CityJet are located there, and those of low-cost carrier Ryanair nearby. The airport offers a short and medium-haul network, domestic services to regional airports in Ireland, and long-haul services to the United States, Canada, the Middle East and Hong Kong. Dublin Airport is the 11th busiest in the European Union.

Dublin has a vibrant nightlife and is reputedly one of Europe's most youthful cities, with an estimate of 50% of citizens being younger than 25. There are many bars/pubs across the city centre, with the area around St. Stephen's Green and Grafton Street, especially Harcourt Street, Camden Street, Wexford Street and Leeson Street, the location of many nightclubs and pubs.
One of the best known areas for nightlife is Temple Bar. However, the area has become over popular among tourists, and as a result it is usually very busy and overpriced.
It is best to seek out some of the more traditional and established Dublin bars, you can find some listed here

No visit to Dublin is complete without some good traditional Irish music. You can join a trio of local musicians for a three-stop Musical Pub Visit and get a real education in trad music. The players will explain and demonstrate their instruments at each stop, and introduce you to the art of Guinness.
Live music is played on streets and at venues throughout Dublin, and the city has produced several musicians and groups of international success, including U2, The Script, Sinéad O'Connor, Boyzone, Kodaline, Fontaines D.C., The Dubliners, Thin Lizzy, The Boomtown Rats, and Westlife.

Dublin city centre has numerous shopping districts, particularly around Grafton Street and Henry Street. The city centre is also the location of large department stores, including Arnotts and Brown Thomas.

While the city has seen the loss of some traditional market sites, Moore Street remains one of the city's oldest trading districts.

There are 302 parks and 66 green spaces within Dublin. The most famous is the Phoenix Park.

The Phoenix Park is about 3 km (2 miles) west of the city centre. The park encloses 707 hectares (1,750 acres), making it one of the largest walled city parks in Europe. It includes large areas of grassland and tree-lined avenues, and since the 17th century has been home to a herd of wild fallow deer. The residence of the President of Ireland (Áras an Uachtaráin), which was built in 1751 is located in the park. 

The park is also home to Dublin Zoo, Ashtown Castle, and the official residence of the United States Ambassador. Also notable are: Herbert Park, St Stephen's Green, Saint Anne's Park and Bull Island. 

You can enjoy Dublin while also saving money. Dublin can be an expensive city to visit and sightsee in, but the Dublin Pass can help you with that. Savings of up to €30 can be made when using the Dublin Pass, if you are planning to visit city sites. . 

No matter what you see or do in Dublin, it's an exciting city to visit.