The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Something's watching you.

A massive cave once a secret military base is now home to thousands of bats.

These cascading falls resonate throughout the Bulgarian forest.

Originally made for a fruit festival in the area in 1998 this was then erected outside the railway station and is now one of Australia’s iconic “Big Things” right at the side of the highway.

The name for this waterfall was derived from the Aboriginal word used to describe a rainforest vine.

The unique work of art celebrates the 30th anniversary of the 1988 World Expo.

This strange portrayal of the state's first lieutenant-governor literally stands on its head.

A giant Australian fruit and tropical farm.

This charming stone church on the shore of Lake Tekapo is an icon in astrophotography.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A unique tribute to the millions of animals who served and died for the British military.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Heralded as the oldest statue in London.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The final resting place to 300 Victorian-era pets hides inside the city park.

The largest flower auction house in the world.

Every winter, this former planetarium is transformed into a massive, brightly-lit Christmas ornament.

Atop this former dutch railway office sits an interstellar work of art.

A close look reveals that the Scottish monument is just slightly off-kilter.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.