Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

The fairy tale castle of the "fairy-tale king."

This demon atop the Notre-Dame de Paris looks utterly bored.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

Former hunting lodge of a duke who was an avid collector of impressionist works.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A Romanesque sanctuary of calm amid the bustle of downtown Los Angeles.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

A classically trained chef makes beloved burritos inside a gas station.

Shop selling 500 flavors of soda has something for everyone.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The alley connecting two of country music’s most historic venues has a rich history of its own.