This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

The place where houses are born.

Most complete collection of Gymnosperms in the world.

This old wooden funicular railway leads to a cemetery in the forest.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

This tiny German village has staked claim to being the center of the union following Brexit.

This natural "sea of stones" was once used by the Romans as a quarry.

Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.

A famed artist's inspiring work of peace and tolerance.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

The many—66 to be exact—faces of the German forest.

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

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

The highest cold-water geyser in the world.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

This residence straddles a border between Belgium and the Netherlands.

A Saint Nicholas-themed ghost town in the Mojave desert.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A perilous medieval road leading right into the sea.