Annual technopop celebration of peace and love.

The house that took a plunge into the facade of a museum.

Designed as a reminder of one of the darkest moments in Austrian history.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A gift from Emperor Franz Joseph I to his wife.

More than a millennium's worth of municipal records preserve the political history of Austria.

This museum is dedicated to the little known ancient Roman history of Vienna.

The first modernist church in Europe.

A glimpse into the festive and private lives of medieval Europe.

An ornate private entrance to the Vienna subway built specifically for the emperor.

A magnificent collection of imperial armor and weaponry.

A history of heat is on display at this unique Austrian museum.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Visiting this café is like visiting the Austrian grandma you wish you had.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Museum devoted to the artificial language of Esperanto.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.