The largest 19th century panorama in the world still in-situ.

Yup, that's a 330-foot yacht passing over the highway.

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

A miniature city, once ruled by the Queen of the Netherlands.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Amsterdam's former hotspot for public executions and dissections.

A grassy pyramid named after a French battle.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

Romania's triumphal arch looks out over Bucharest.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

The once highest point in China blends symbolic design with a kick of adrenaline.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

The only quarter of the Old City not dedicated to a major world religion.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

The home of the Dead Sea Scrolls is an abstract modernist dream.

After Christopher Columbus died, his son built a fancy house to rule from.