The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This is Britain's one and only clock concealed in the pavement.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A diminutive statue that was inspired by the sculptor's own daughter.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

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

This building has survived for more than a century and remains virtually untouched.

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

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.