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

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

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

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A living memorial to the trees London lost during the Great Storm of 1987.

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

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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

These three lighthouses played a fundamental role in the maritime life of Eastham.

The largest glacial erratic boulder on Cape Cod.

The Cape Cod house that whaling built.

Hundreds of personalized inscribed planks make up this historic boardwalk.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.