The largest whale museum in Europe allows visitors to walk among life-size giants.

Iceland's tribute to its thankless civil servants.

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

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The oldest stone house in Paris was built by its most famous alchemist.

This underwater sculpture park is the basis for a manmade coral reef.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

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

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

This charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

One of the smallest bookstores on the planet.

This giant sculpture made of trash is a critique of society's wastefulness.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

A 19th-century mansion houses the largest collection of gin in the European Union.

This abandoned five-star hotel is now a five-star urban exploration destination.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A whimsical bridge adorned with decorative dragons.