A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

This basement museum explores the art and artistry of fascism.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Art becomes an enchanting part of the environment at this wooded sculpture park.

The Brutalist building harbors an unusual inverted dome that swoops down over its central sacred room.

This poignant WWI memorial looks like a lighthouse 100 miles from the sea.

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

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

A plaque marks the underground site of one of London's "lost rivers."

This popular square's history as the former site of a church is right beneath your feet.

This coin collecting cod is over 130 years old, and the United Kingdom's smallest listed structure.

The site of the most dived wreck in the UK.

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

Known as the "Fat Man of Maldon," Bright was a larger-than-life figure.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A giant gleaming memorial named for a coal miner who gave his life to the pits.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.