Chicago, Illinois, United States

Congress Plaza Hotel

This 19th-century Hotel is home to 871 rooms -- and countless ghosts who roam its halls.

Krasnodar, Russia

The Krasnodar State Historic and Archaeological Museum-Reserve of Felitsyn E.D.

This Museum goes on underwater archeological expeditions to gather artifacts for its exhibits.

Helsinki, Finland

Ihantola

Ihantola translates to “Wonderful Place” and oh, what a wonder it is!

Agra, India

Agra Fort

Totaling 94 acres, this massive fortress made of red sandstone was the former residence and capital city of India's medieval Mughal Dynasty.

Kansas City, Missouri, United States

Paseo YMCA

A historic community center that served as the meeting place for the formation of the Negro National League.

Athens, Greece

Metropolitan Cathedral of Athens

Athens' largest church began construction on Christmas Day in 1842.

Los Angeles, California, United States

Hollywood Historic Hotel

This Hotel was designed by one of the most prolific movie theater architects of the 20th century.

Warsaw, Poland

Wilanów Palace

This royal palace was renovated in the 18th century by one of Poland's most powerful noblewomen.

Pécs, Hungary

Pécs County Hall

This building's colorful tile is the work of a local legend, who's technique led to a boom of colorful roofs in late 19th Century Hungary.

London, United Kingdom

Royal Courts of Justice

London's law courts are rife with superstition and rooms with mysterious origins.

Cesenatico, Italy

Grand Hotel Cesenatico

This Hotel was financed by the inventor of the aseptic bandage.

Southwold, United Kingdom

Swan Hotel

The Swan Hotel, and the brewery behind it, has a 600 year history of brewing ale.

Bari, Italy

Teatro Petruzzelli

This theater was built thanks to two enterprising brothers.

Prague, Czech Republic

Star Summer Palace

This star-shaped villa is located in the middle of a hunting preserve.

Beatenberg, Switzerland

Beatenberg – Niederhorn Cable Car

This Swiss Cable Car is located in a town with medieval origins - and an origin story that involves slaying a dragon.

San Sebastián, Spain

Monte Igueldo Funicular Building

This station building serves the oldest funicular railway in the Basque country.

Tallinn, Estonia

Toompea Castle

According to legend, the Toompea Castle sits on a hill created by hand by an ancient woman named Linda.

Bucharest, Romania

Palace of the Parliament

Containing 1.5 billion pounds of steel and bronze, the Palace of Parliament is the heaviest building in the world.

Le Locle, Switzerland

Château des Monts

Passed down through generations of watchmakers, this Chateau now houses a clock museum.

Belgrade, Serbia

Captain Miša’s Mansion

Once a royal residence, this Mansion now welcomes university students through its halls.

Washington DC, United States

Fellows Building – Dumbarton Oaks

Intellectual debates and lively parties were enjoyed at this residence for Harvard research fellows.

Ho Chi Minh City, Vietnam

The People’s Committee Building

This luxury hotel has been transformed into HoChiMinh City's city hall building.

From the community

Philadelphia, Pennsylvania, United States

Carpenters’ Hall

This assembly hall has played host to a slew of visitors from rebellious revolutionaries to notorious bank robbers.

Dublin, Ireland

Boland Mills

This formidable factory building played a pivotal role in the Easter Rising of 1916.