The largest greenhouse in the world is home to over one million types of plants.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

A fantastic castle rumored to be the birthplace of King Arthur.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

The world's largest collection of witchcraft regalia.

Gargoyle head that brings good luck.

An ancient knight and a symbol of the city's freedom.

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

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

Bridge that died in war and was resurected.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

An idyllic traditional timber village on a picturesque hill was built for a film.

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

A war-torn Olympic relic is being overtaken by graffiti and nature.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

The place where World War I began.