5. Visit Gresham Palace:
Although the Palace is now converted into a luxury hotel managed by Four Seasons group, Gresham Palace in Budapest is worth a visit. Completed in 1906, this spectacular palace is built in Art Nouveau architectural style with beautiful stained glasses, large staircase, winter gardens, mosaics, and ironwork. One of the must-see tourist attractions in Budapest, Gresham Palace hotel has 179 guest rooms which include 17 suites.