Six beautiful wooden giants are hidden around Copenhagen.

Every year, a sparkling cave is sculpted in the icy heart of a glacier.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

The most easterly point on mainland Australia offers dramatic ocean views.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

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

A World War II-era sign in Valletta is a reminder of when Malta was besieged so severely that food needed to be rationed.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

Old Danish castle immortalized in Shakespeare's Hamlet.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

Liechtenstein's royal family calls this medieval alpine castle home.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Dynastic Home of the De Piro Family.

This abandoned Brutalist treehouse is a hidden architectural relic.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The San Marino-Rimini railroad was short-lived but this tunnel once provided shelter for hundreds of refugees during World War II.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

According to legend, this structure was inspired by the Tower of Babel and built in a 19th-century industrialist's yard so he could walk his dogs without leaving home.

This collection of Dwarf beech trees were once believed to be enchanted trolls in disguise.

This statue standing near Sweden's southernmost point was based on the grandmother of a modern movie star.

Sweden's southernmost point is located in this charming fishing village.