
World's Greatest: Man Made Wonders
Symbols of human ingenuity, bridges connect people and also the past.

Symbols of human ingenuity, bridges connect people and also the past.

Cotswold villages boast churches, manor homes and gastropubs; Glastonbury; Stonehenge and Avebury.

The Palio wild horse race in Siena, Italy; Tuscany's wine country.

These buildings prove there is no recipe for greatness.

These buildings prove there is no recipe for greatness.

Farmhouse inn; making prosciutto and pecorino cheese; ancient wine cellars; Assisi, Italy.

Romania's capital, Bucharest; Transylvania's fortified churches, cobbled merchant towns and castles.

Exploring special places around the world where the past and present collide.

The complex history of Bulgaria, from ancient Thracian tombs to Soviet monuments.

Frankfurt, Germany, a global hub for commerce; Nuremberg, Germany's, Nazi Documentation Center.

Many of manmade wonders characterize powerful forces, or commemorate power lost.

Capital city of Dresden, Germany's palaces and art of the Wettin dynasty; Leipzig's Bach heritage.

Exploring Greece's island of Hydra, including its crescent-shaped harbor, beaches and mansions.

Germany's port city of Hamburg, post-World War II; Martin Luther and the Reformation historic sites.

Catalina Island is a favorite of Hollywood celebrities; a museum honoring the Chicago Cubs.

A reunited Berlin entertains more visitors than ever before.

Hundreds of drag queens participate in the annual Invasion of the Pines and drag BINGO.

Prague's massive castle, statue-lined bridge, Jewish Quarter and 20th-century history.

The Isle of Eigg off the Scottish west coast features moors, beaches and historic ruins; Easdale.

The sights outside of Amsterdam, from Haarlem to Rotterdam and Delft to the Zuiderzee.