A massive tribute to Estonian history and culture.

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

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

The metal leaves on this tree are engraved with the names of Holocaust victims.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

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

Baroque celebration of the end of the Great Plague of Vienna.

A stunning architectural yet functional feat, towering over Oslo.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Heralded as one of the prettiest castles in all of Czechia.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

This spooky statue sits outside a famous Prague theater.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.