Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Paris' linguistic guide to the international language of, yes, love.

This bridge was constructed from the rubble of the infamous Bastille.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Macabre astrological automaton clock dating to the late 1400s.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A display of magnificent stained glass windows is the first exhibit of its kind.

The most visited, and possibly most controversial, museum in Germany.