Sweden's "good old days" painstakingly re-created in a model village.

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

Stockholm's deepest subway station is also a stunning ecological wonder.

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

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

Specimens collected by the author of "Lolita" and self-taught lepidopterist are exhibited in his childhood home.

Inside the world's largest seed bank, WWII botanists elected to starve to death rather than compromise their collection.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This church also serves as a lighthouse complete with a beacon.

A small island dotted with old, historic Finnish buildings.

An abstract monument to a symphonic composer.

A subterranean house of worship carved right out of the bedrock.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

A unique sculpture calls the outside of this steakhouse home.

"There's nothing there," and other lies the KGB told us.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

A monument commemorating the 852 lives lost in the sinking of the MS Estonia.

The world's smallest drawbridge.

The abandoned Bermudian home of a British naval leader is surrounded by crumbling sporting fields and the graves of convicts.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

This public elevator links the lower city to the upper city of Salvador.