This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

Ancient burial grounds of the wealthy.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

The final resting place of the father of modern biological taxonomy.

Sweden's oldest animated sign is still lighting up the skyline today.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

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

Stockholm's narrowest alley is barely over two feet wide.

A man has revenged his true love's betrayal through tears and stone genitalia.

One of the world's first dedicated bank buildings in the world is now the oldest one.

Stockholm's tiniest statue is of a small boy looking at the Moon.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

Fountain where visitors can earn a license to be mad.

The world's largest "Christmas tree" is illuminated by hundreds of lights stretching 2,000 feet up the slope of Mount Ingino.

This medieval mountain town is also known as the "Village of Streams."

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

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

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.