A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

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

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

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

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

Copenhagen's celebrated theme park and gardens.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.

Ancient serpentine sacrifice holder that has stood the test of time.