The largest greenhouse in the world is home to over one million types of plants.

These "bridges" help confused bats cross the road.

The famous Alice Liddell designed this memorial after losing her sons in World War I.

Constructed for defense, this fort oversaw the dress rehearsal for one of the largest invasions in history.

The oldest working mechanical clock in the world.

Hidden from the ground but visible from above, this arrow target in the New Forest is part of Hampshire's rich World War II history.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

This Late Gothic building that once housed Erasmus is now known as the filming location of "Suspiria."

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

Wander among free-roaming storks at the sanctuary that helped save them from local extinction.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

An open air haven for tropical monkeys in the damp moors of the English country.

A sense of bewilderment encounters visitors when they happen upon this former railway bridge.

A Byzantine-era church hidden in a wooded area below the Acropolis.

These caves secretly held national treasures during World War II.

Overlooking the harbor is a beautiful neglected mansion guarded by two Egyptian sphinxes.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Legend says this sacred tree was a gift from goddess Athena.