The vast, legendary catacombs hold secrets much stranger than stacked bones.

Theme park featuring miniature replicas of European monuments.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

This historical Netherlands fortress still bears the marks of its single siege.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

World's largest barrel containing an inn.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

Giant wind turbine with observation deck at the very top.

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

An ornate century-old elevator still connects the two halves of Bad Schandau.

A strange rock formation with numerous legends trying to explain it.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

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

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A former ironworks that was the first UNESCO industrial site.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

The great Danube river starts here.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.