The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

Bridge that died in war and was resurected.

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

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

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

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Humble beginnings for one of the world's most famous scientists.

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.

An ethereal glowing blue ocean cave in Croatia.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

A student driver's nightmare.

This 1920s Dutch barge is now a floating bookstore.

The sign at the garden gate reads: "These Plants Can Kill."

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

A library where thousands of books explain how to avoid another Great Recession.

A curious collection of mechanical moving figures.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

A book bound in the skin of an infamous criminal, along with countless other specimens.