A statue commemorating a Polish dog who took his role as man's best friend very seriously.

The first, and perhaps only, monument dedicated to Wikipedia.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

The largest toy museum in Poland showcases Europe's history of childhood.

This tower in a small Polish village uses the power of a sacred bell to ward off mischievous weather spirits.

A delightful museum entirely dedicated to the tiny homes of dolls.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A haunting deserted hotel is a favorite with artists and photographers.

The silly symbol for an underground protest group is now scattered around the city.

A memorial to the beloved brown bear that served in the Polish army during World War II.

Museum dedicated to "the man who moved the Earth."

This hidden collection of everyday objects illustrates life within communist Poland.

A national collection of Communist-era musical posters.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

The mummified relics of an American missionary.

Records of the dead describe the myriad odd ways people used to die.

A notorious punk house turned co-op.

New York City's only radical feminist independent bookstore.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

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

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.