17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

Once the longest swing bridge in Europe.

Elaborate tile work in this railway station tells the story of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

The largest and most famous wax anatomical collection anywhere in the world.