The Hollywood home of Kermit the Frog and Yoda used to be Charlie Chaplin's film studio.

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

The only airport with a people mover system designed by Walt Disney Imagineering.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

A statue of the original Pearly King is hidden in a church's crypt.

The London statue that imitates passersby.

A collection of machines designed to break things for science.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

There's an exclusive Beefeaters pub hidden in the Tower of London.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

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

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

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

A memorial for public executions that dates back to the 14th century.

An architectural oddity hides in plain sight on this iconic London bridge.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The bronze uniforms commemorate the vital role of women during World War II.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A unique tribute to the millions of animals who served and died for the British military.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.