Tiny memorials honor individual victims of the Holocaust.

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

A fascinating insight into daily life in the Eastern Bloc.

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

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

A sculpture serving as an homage to Pope John Paul II.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The final resting place of the poets Shelley and Keats.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A modern zoetrope on the New York City subway.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

One kilometer of thick brass rod laid out before your eyes.

There must be a pun in this haystack somewhere...

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The most confusing clock in New York.

Salute the leader of the proletariat.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

A multimedia experience that chronicles the atrocities of racism.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.