Copenhagen's celebrated theme park and gardens.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

The Isle of Wight’s “Island Line” serviced by former London Underground trains from the 1930s.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

This 19th-century Turkish bath house survived the Blitz of London and is now an events venue.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

A restored World War II Churchill Mark VII Tank now stands guard in Carrickfergus.

World's largest working waterwheel has been around for over 150 years.

A 150-year-old steam locomotive crosses the southern half of the island daily.

Believed to be the former location of one of the earliest Viking assemblies in Europe.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

More than 20,000 salt and pepper shakers from across the globe call this museum home.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

This no man's land slicing through the island is strewn with abandoned relics of another time.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

The last working windmill in Northern Ireland.

Once home to a local bear named "Bruno."