One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Artifacts and exhibits tell the story of a small town that has punched above its weight and influenced history.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

The artwork is a community's ode to the "father of Irish tourism."

A tribute to a vessel involved in the notorious Larne gun-running.

Honoring one of the first boats to leave Ulster destined for America.

Seat of the Duke and Duchess of Devonshire for centuries.

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

This stone harbor was key to Carnlough's limestone industry.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

An apparition of Virgin Mary in Herzegovina.

Bridge that died in war and was resurected.