The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Those belting out show tunes might not realize this piano bar marks the site where Thomas Paine died in 1809.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A staggering collection of photographs depicting medical, social, and historical change.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The "Seinfeld" diner.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

The tallest residential building in Africa is an unsettling Brutalist monolith.

The ruins of a medieval monastery named after a type of tree.