A Swedish phone box converted into an informal village library.

A tiny town hall—in Sweden's one-time capital—might be the smallest in Europe.

Sweden's oldest street has not changed for nearly a millennium.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

A medieval church built up to defend its village.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Massive, unfinished broadcasting station stands as a monument to the fall of communism.

These natural cliffs look like they are a part of an old castle complex.

The remarkably well-preserved final resting place of a powerful ancient Thracian king.

Outstanding, eerie frescoes and decorations fill this 19th-century monastery.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Art and a pun, all in one.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This colorful statue welcomes visitors to a Barcelona park.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

An early 20th-century bullring converted into a modern shopping center.

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

This stone obelisk is a relic of the 17th-century Swedish mile markers.

A 130-year-old urinal is the oldest of Stockholm and perhaps all of Sweden.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

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

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