Stunning examples of Russia's 18th-century wooden architecture.

Stalin's march toward a more modern USSR flooded a monastery, leaving a unique and extravagant nautical marker, "The Flooded Belfry."

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

An iconic Soviet statue of working-class people.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

The tallest hotel in Europe.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

Stalinist skyscraper built with help of cryotechnology.

Former headquarters of the KGB.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

One of the world's tallest statues is also one of its most hated.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Gargantuan home of Russian science.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

This charming candle shop has been in business since 1789.

Step back in time at this 19th-century kiosk.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

Little-known artist couple chose a former silk factory as the location for a museum dedicated to their work and other avant-garde art.

A 16th-century Andalusian palace.