Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

An abandoned masterpiece of Soviet Brutalist architecture.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Iceland's tribute to its thankless civil servants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This stunning concert hall has become a symbol of Iceland's national recovery.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.