A musical instrument played by the sea.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A tiny church on a man-made island in the Adriatic.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

Budapest's Communist-era statues, banished to the suburbs.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A two-way chairlift system between Zugliget and the highest point in the city.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The massive white mound and accompanying water terraces are a striking geological oddity.

For decades, Hungary's Communist Party insisted this gulag had never existed.

Hundreds of boat-shaped headstones fill this graveyard as part of a centuries-old custom with mysterious origins.

An industrial site turned into Hungary's most cherished natural wonder.

One of Hungary's most influential places of learning is also home to one of the world's most beautiful libraries.

Hungarian self-built castle.

The abandoned military base looks like a post-apocalyptic wasteland.

This unique building in the main square stands out among the city's typically Baroque architecture.

These ancient sacred grounds granted amnesty to those who managed to reach them.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.