A geothermal paradise with bubbling mud pools and bright blue hot springs.

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

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A museum dedicated to secret surveillance.

What happens when you cross a mayor and a painter?

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

These unique weather vanes honor Scotland's most famous bard and decorate this walkway.

A collection of items from a way of life that no longer exists.

An impressive monument to Poland's independence.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

When the rain falls, this drain system turns into a musical instrument.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Macabre astrological automaton clock dating to the late 1400s.

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

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A diminutive statue that was inspired by the sculptor's own daughter.

Liechtenstein's royal family calls this medieval alpine castle home.

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

The Guardian of Tallinn.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.