At 207 feet, one of the world's longest continuous escalators.

An original apothecary from 1792.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The final resting place of the great navigator, or maybe his brother.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

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

Fighting the British and making game shows for over 150 years.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

The famous winding walk at Chartres is surrounded in mystery and myth.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Cold war icon and onetime "hole" in the iron curtain.

Macabre astrological automaton clock dating to the late 1400s.

Roman ruins, natural methane fires and a lovely beach.

The ancient latrines of the Greeks, in all their public glory.

Large miniature theme park with 100-plus models.