Guggenheim Museum, Bilbao, Spain
Hailed by Time magazine as "the building of the century," the Guggenheim Museum in Spain was designed by architect Frank Gehry for $100 million. This massive sculpture of limestone, titanium and glass spans 32,500 square meters.

Debis Building Potsdam Square, Berlin
Architect Renzo Piano reconstructed an entire portion of Potsdam Square after the fall of the Berlin Wall. Daimler Chrysler bought nearly 62,000 square meters at a scandalous price of nearly $915(US) per square meter from the government.

Burj Al Arab Dubai United Arab Emirates
Sitting out on top of the land-filled Dubai coastline, the world's tallest hotel soars up 321 meters and was designed by Thomas Wills Wright (WS Atkins) to resemble a billowing sail. The project took nearly five years to complete.

The Crooked House, Sopot, Poland
Polish architect of the Crooked House, Szotynscy Zaleski, was inspired by the fairytale illustrations of Jan Marcin Szancer and the drawings of the Swedish artist and Sopot resident Per Dahlberg. The most photographed building in Poland, the 4,000 square meter house is located in Rezydent shopping center in Sopot, Poland.

Der Neue Zollhof Dusseldorf, Germany
The work of architect Frank Gehry can be seen all over the world. He adds his classic modernist touch to revitalize the Rhine waterfront area in Dusseldorf, Germany. Pictured is just one building of a larger office complex.

Ideal Palace of Ferdinand Cheval
The idea for the Palace came to French postman Ferdinand Cheval in a dream, and he spent 33 years building it and ultimately was buried inside. It has been a monument at Hauterives, France since 1969.

Parc du Futuroscope Poitiers, France
The architecture of Denis Laming serves up a fantastic centerpiece for the Futuroscope theme park in Poitiers, France, which has attracted more than 31 million visitors since it opened in 1987. Pictured above is the Kinemax, which houses the park's IMAX show.

Gaudí's Batlló House Barcelona, Spain
The Casa Batlló in Barcelona, Spain proves the value of investing in architecture. In the early 1900s, Josep Batlló commissioned Antoni Gaudí to reconstruct an 1877 house. Gaudí completed his modern masterpiece in 1906 and it remains a major tourist attraction 100 years later.

Frederick R. Weisman Art Museum Minneapolis
Named for philanthropist and business alumni Frederick Weisman, the Art Museum at the University of Minnesota was designed by Frank Gehry at a total cost of $13,875,000.

L'Hemisferic
Valencia, Spain
Completed in 2005 and paid for by the regional government, the City of Arts and Sciences in Valencia, Spain is becoming the number one tourist attraction in the country. Valencian architect Santiago Calatrava designed the entire arts complex beginning with the L'Hemisferic (the eye of wisdom), shaped like a floating eyeyball that even blinks, which openend in 1998.