The first museum in the United States dedicated entirely to posters.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

19th century cemetery hidden in Brooklyn's Prospect Park.

This lurid German fountain plots the sad course of marriage from dating to death.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

This hidden garden boasts amazing views of Lyon.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

This poignant art installation raises awareness of violence against women.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

Jesus' footprints and the first catacombs in the world.

A collection of objects supposedly singed by the hands of souls in purgatory.

An alchemist's "magic door" stands in the middle of a Roman park.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.