Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

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

This famous archeological mystery may be an ancient example of movable type.

Inside the Wayne County airport is an amazing collection of lights and sounds.

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

A Cold War secret surveillance tower used to spy on radio communications.

Bohemian paradise covered in majestic forests.

Two monstrous faces loom over a village in Czechia.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

Abandoned substation turned village treasure.

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

Tiny communists hammer away on the Olomouc Astronomical Clock.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

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