When looking to nature for design inspiration, these architects needed to look no further than the ocean, creating fluid buildings that evoke cresting and undulating waves.

Sydney Opera House, Sydney, Australia, designed by Jørn Utzon in 1957, opened in 1973

(via Wikimedia Commons)

The Jumeirah Beach Hotel in Dubai, United Arab Emirates

(via ADTeasdale and Nick Wadge)

The Auditorio de Tenerife, a concert hall in Santa Cruz de Tenerife, Spain, designed by Santiago Calatrava, 2003

(via Wikimedia Commons)

The Wave Resort in Broadbeach, Australia, designed by DBI Design, 2006

(via Thienzieyung)

The Mantes-la-Jolie Water Sports Centre, Paris, France, designed by Agence Search

(via Dezeen)

The Wave in Vejle, Denmark, designed by Henning Larsen Architects in 2009. It contains 115 luxury apartments on 150,000 sq ft (14,000 sqm).

(via ArchDaily)

This wave-shaped residence in Osprey, Florida, designed by Sweet Sparkman Architects

(via Sweet Sparkman)

The new Porsche pavilion at Autostadt in Wolfsburg, Germany, designed by Henn Architecten, 2012

(via ArchDaily)

The new Seoul City Hall, in Seoul, South Korea, opened in 2012

(via Wikimedia Commons and Jamie Carter)

The Heydar Aliyev Cultural Center in Baku, Azerbaijan, designed by Zaha Hadid Architects, 2013

(via ArchDaily)