A giant Troll lurks under one of Seattle's oldest bridges.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

2300-year-old Roman road connecting the empire.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The museum within the Kom-Ombo Temple complex houses mummified crocodiles and mummified crocodile eggs.

Nobody knows what this saucer-like ancient Egyptian object was for.

The world's largest floating loon bobs in the lake to kick off an annual festival.

Rest stops along this pathway offer some of the best views of the Acropolis of Athens.

Local legend associates this large limestone chunk with a giantess, but archeologists say it may be the remains of a neolithic burial chamber.

One of Malta’s most important Neolithic sites sits in a suburban area south of the country’s capital.

This is one of the very few intact windmills built by the Knights of St. John in the island nation of Malta.

Where the people of Gozo have been doing laundry for more than six centuries.

This tiny island is recognized as the site where St. Paul landed after a shipwreck in the first century.

This 19th-century aqueduct provides insights into how water was supplied to Victoria on the island of Gozo before modern plumbing.

These clocks tell time in a theological sense.

Hike up to this abandoned hotel for one of the best panoramic views of the island of Gozo.

These 19th-century military fortifications spanning the island of Malta now form a nice countryside hiking trail.

Ancient mysterious ruts carved in the bedrock.

This church is named for one of the most dramatic tales in the early Christian church.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.