After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

An often overlooked ancient site in downtown Athens with substantial history (and nature).

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

A sharp sculpture made of thousands of pieces of jagged glass.

An ancient octagonal weather station named for the eight Greek gods of wind.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This abandoned Slovenian military barracks has become a punky-political art squat.

A historic scientific breakthrough that crosses nine borders.

This stunning limestone waterfall is the highest in Estonia.

Hundreds of small crosses have been carved into the bark of the trees outside this small Estonian village.

Hundreds of unusual wheel crosses poke above the earth in this small Estonian cemetery.

The labyrinthine home of the National Archives of Estonia is an experimental blend of architecture, art, and history.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

Mysterious craters may have been home to an ancient cult.

An immersive Māori village where you can learn history and heritage through dance, ceremony, song, architecture, and food.

Mounds of fine golden sand that can rise nearly 500 feet tall.

An unusual snaking bank of boulders caused by longshore drift.

It took millions of years for these rocks to resemble their mammalian counterparts.

This beach provides a glimpse of the ancient seafloor without getting wet.

New Zealand's only inland salt lake goes through a constant cycle of filling, evaporating, and refilling.

A drowned river valley that was important to the Maori and European settlers.