The remnants of a record-setting industrial bucket system can still be found dotting the Swedish countryside.

The oldest garden in Prague, once part of an medieval orchard.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

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

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

This luxury hotel suite is located deep in the bowels of an old mine.

This traffic circle in a small Swedish town is adorned with a statue of a giant potato.

The ruins of a monastery where Saint Bridget of Sweden had her revelations recorded.

A forest of immensely tall and unusually straight oak trees planted nearly 200 years ago to build naval ships that never came to be.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

The lost American era of gunfighters, bandits, Indians and steam trains is recreated in Sweden.

Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

A memorial to the deadliest terror attack during an unsettled period of Italy’s recent history.