Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An unassuming London park is actually a pilgrimage site for modern clowns.

One of the oldest theaters in Australia, it's also said to be haunted by a performer who died on stage.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A marvel of Byzantine engineering under the streets of Istanbul.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

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

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This park feels like a lush little jungle full of wildlife nestled within São Paulo.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

An extraordinary "City of Caves" carved from solid stone.

Designed as a 17th-century watchtower, the former fort is now a popular sunset haunt.

One of Indonesia's tallest, this waterfall takes a 390-foot plunge into the Lake Toba caldera.

Site of the largest volcanic eruption in the last 25 million years, one which may have nearly wiped out humanity altogether.

The only place where can you share a seat with the bums of the Fab Four.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

This coffee shop lies hidden beneath a historic church.

Dine amidst exotic plants at this former royal greenhouse.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.