This painted Lego bridge is the product of over a century of locomotive history.

This 600-year-old home seems to defy physics.

Super-heavy Nazi architectural experiment.

This "floating railway" is one of the world's oldest monorail systems.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

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

Lumps of significant stone from around the world surround a flaming monument for peace.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

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

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

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

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Where NASA's satellites and rovers phone home.

The cluster of boulders near Fort Irwin is covered in military insignia.

This giant temperature attraction created some giant electric bills.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

These fantastically named natural pools look like something out of a Scottish myth.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

The ancient tomb acts as a calendar that keeps perfect time.