A gift from Emperor Franz Joseph I to his wife.

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

An IT-specialist-turned-farmer reintroduces an Austrian food tradition while promoting snails as a sustainable "future food" option.

A magnificent collection of imperial armor and weaponry.

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

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

An exquisite Baroque church in Vienna's old town.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

The Habsburgs' royal collections of art and wonders.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

One of the best collections of wax anatomical models in the world.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Legends surround an ancient tree trunk riddled with nails for good luck.

Baroque celebration of the end of the Great Plague of Vienna.

The resting place for anonymous victims of the Danube's dark waters.

The topiary maze at the Habsburg hunting lodge.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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

Five varieties of trees with custom-designed grates around the trunk are planted along the route of the Seattle Transit Tunnel.

Always a new use for this old building.

Thousands of costumed dolls fill one of the world's creepiest museums.

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.