Fantastic views and thousands of love locks.

Carved fountains poignantly placed in parks and in front of special monuments.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

After years of being casually peed on by humans, this tree is peeing back.

Enigmatic tombs and cave dwellings on the outskirts of a rural village.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The largest Canadian war cemetery in Italy commemorates those who died in one of the bloodiest battles of the Italian campaign during World War II.

Annual technopop celebration of peace and love.

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

Apartment complexes built into huge repurposed natural gas tanks.

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

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

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

An exquisite Baroque church in Vienna's old town.

The Habsburgs' royal collections of art and wonders.

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

This cubist Vienna church building looks like some sort of alien stonehenge.

Op-art architecture designed for happiness.

Located right outside of Vienna, visitors can take in expansive views of an ethereal forest.

A spherical "micro-nation" in the heart of Vienna.