This ornate Weser Renaissance house was also the home of an infamous witch hunter.

A monument to the "father of modern warfare" Gustav II Adolf.

Is this statue at Naumberg Cathedral the fairest of them all?

A peculiar trapezoidal building covered with wonderful humorous reliefs.

Ruins of a German Castle on top of a towering stone pillar.

An intricate and amazing house built by architect Karl Junker.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Mountain where Jesus was first tempted by the Devil.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This one-time health resort was used by aristocrats around the world.

One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

A model village fit for an emperor.

A magnificent, Disneyesque chateau built for 150 lucky kindergarteners.

This massive monument honors the first human in space.

A monument to Malchik, a stray dog who lived in a Moscow metro station until his tragic death.

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

Gargantuan home of Russian science.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

A 360 degree battlefield experience.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Stalinist skyscraper built with help of cryotechnology.

Home of the future Emperors of Russia.