Brussels is a city known for both Art Nouveau and Art Deco architecture and design, making it a fitting host for the Art Nouveau Art Deco Biennale , now in its eighth edition. This year 80 private properties are open to the public during weekends through October 25.

Read on for a tour of the city's best examples of both styles.

Hôtel Cohn-Donnay

This architectural gem was built in 1830. Architect Paul Hamesse renovated it in the Art Nouveau style in 1904.

Haerens House

In 1928, Art Deco architect Antoine Courtens devised this house for engineer Robert Haerens and his wife, sculptor Luisa Robelus.

Hôtel Max Hallet

Located on the Avenue Louise, this townhouse was designed by Horta between 1902 and 1905.

Hôtel Solvay

In 1894 chemistry magnate Armand Solvay commissioned Horta to design his private residence, now a UNESCO World Heritage site.

Hôtel Tassel

Horta designed the Hôtel Tassel for Belgian scientist Emile Tassel between 1893 and 1894.

La Maison Cauchie

Artist, decorator, and architect Paul Cauchie built his private residence in 1905. Today it is considered one of the finest examples of Art Nouveau in Brussels. Inside, there is a gallery of paintings and furnishings designed by Cauchie and his wife, Caroline Voet.

Van Buuren Museum

This private residence turned museum was built in the Art Deco style for banker and art collector David van Buuren and his wife, Alice, between 1924 and 1928.

Villa Empain

Swiss architect Michel Polak designed this Art Deco private residence for Baron Louis Empain between 1931 and 1934.