Charming architectural landmarks of Markušovce are the manor house and the summer house named Dardanely. Both historic buildings are situated in a beautiful French park with three-stage terraces.

The history of the mansion dates back to 1643 and was originally built in the Renaissance style and had a stronghold character. Later, the mansion was converted into a representative Rococo seat. At present, a permanent exhibition of historical furniture is installed in the mansion, representing the development and type representation of furniture art and interior accessories from the 17th century to the beginning of the 20th century.

In the vicinity of the mansion stands the summer house, which was built by Wolfgang Farkas Mariássy in the last third of the 18th century for social and representative reasons. The summer house is an important monument of Rococo architecture.

Since 1983, a permanent exhibition of key musical instruments, aimed at domestic producers, has been open to the public in the summerhouse, the only one of its kind in Slovakia. the most charming space of the summer house is the social hall, in which fresco paintings with the scenes of Greek mythology excel.

The summer house is also the venue for various cultural and educational activities or musical events, especially classical music concerts.