An unusual round church in London with a Templar past.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Repository for more than 22 million pickled specimens.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Giant, friendly pelicans in Central London, the most unlikely of places.

London's smallest police station is barely the size of a phone booth.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

A small square plaque marks a failed assassination attempt that could have changed history.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A hugely vast Irish landscape of barren rock that stretches for miles.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.