3,000 market stands in five former Zeppelin hangars.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Houses are tucked between, on, and underneath giant boulders.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

These fantastically named natural pools look like something out of a Scottish myth.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Swedish skyscraper with a 90° twist.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The remains of a sunken military ship wreck visible through clear water.

Oriental bazaar in the heart of Sarajevo.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

This small chapel is built of human bones and decorated with a golden skeleton.