This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

A well preserved remnant of the English Civil War.

One of the largest remaining ancient burial mounds of the 10th century.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

Thousands of biblical and pagan images are carved into this small 12th-century church.

A magnificent, Disneyesque chateau built for 150 lucky kindergarteners.

300-year-old villagers houses and traditional churches preserve a nearly lost piece of Russian history.

An abandoned 14th-century castle and prison complex on a small island in the Neva River.

Monastery complex at the location where bodies of the executed Romanov royal family were discovered.

This 15th-century cave complex is one of the very few monasteries to stay open throughout World War II and the Soviet regime.

Once frequented by heavyweights of the Russian arts scene, this café is stuck in the 1800s.

Siberian whale bones stand as cairns marking location of an ancient butcher yard.

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

An abandoned town of skeletal wooden homes.

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

Gigantic natural towers in a Russian plateau.

Church built on the site where the last tsar of Russia and his family were killed.

No one knows why ancient labyrinths were built on this tiny northern island.

Unusual, mushroom-like rock formations caused by weathering and water erosion, set to disappear, according to geologists.