Visit the home of Sweden's beloved fictional character, Pippi Longstocking.

Although rarely used, there is still a hidden room for the royal family at the Stockholm central station.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

A floating underwater hotel, created by a Swedish artist.

A Japanese video game arcade hides in the back of a Swedish pool hall.

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

Crooked windswept pines give this old forest an enchanted and magical look.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

It houses the remains of a 17th-century version of the Titanic.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.