A unique and controversial artifact of the early Turkish Republic.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

This generously endowed statue once stood guard outside a Roman home.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

An architect's childhood fantasy treehouse made real.

"The Most Boring Road in the State."

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Part taxidermy workshop, part natural history museum this Michigan destination shows off its dead animals and helps you mount your own.

Full-sized barn houses many restored instruments.

Former self-sufficient mental institution now a planned community.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.