The results were based on millions of ratings and thousands of comments from over 128,000 travelers.
This year, Budapest, Hungary, ranked as the second-best city in the world, right below Florence, Italy.
We decided to take a deep dive into Hungary's capital city, which is known for its rich culture, world-class spas, bustling markets, and gorgeous architecture.
Keep scrolling to for a glimpse of the best things to see, do, and eat in Budapest.
The Danube River splits Budapest in half: Buda is on the west and Pest on the east. Buda is more residential and Pest is more urban.
In front of Fisherman's Bastion, Matthias Church is over 700 years old and has hosted the royal weddings of King Matthias and the coronations of the last two Hungarian Habsburg kings in 1867 and 1916.
Central Market Hall attracts tourists and locals alike. Located just beyond the popular Váci Utca, it is the largest indoor market in Budapest and sells meats, pastries, Hungarian souvenirs, and more.
One of Budapest's most famous cafes is Gerbeaud on Vörösmarty tér. It serves Hungary's traditional dobos cake, which is seven layers of sponge cake and chocolate cream topped with caramel.
The Gresham Palace is an Art Nouveau landmark that the luxurious Four Seasons Hotel calls home. Opened in 2004, the Hotel is Trip Advisor's 2015 Travelers' Choice winner.
The Dohány Street Synagogue, also known as the Great Synagogue, is the largest synagogue in Europe and second largest in the world (right behind New York's Temple Emanu-El). In 1931, the Hungarian Jewish Museum took over one of the building's wings.
Sixty pairs of iron shoes belonging to men, women, and children line a portion of the Danube River honoring the Budapest Jews who were shot into the river by Arrow Cross militiamen between 1944 and 1945. Hungarian sculptor Gyula Pauer and Can Togay created the memorial.
Budapest is also the host city of Europe's Sziget Festival, which takes place on Óbudai Island. Once called "Eurowoodstick," the seven-day festival is full of music, art, circus acts, and street food.
To see all the sites, many tourists take a cruise on the Danube. There are endless cruise options during the day and night, including a cocktail and beer cruise.