A 1950s beatnik coffee house, turned 60s counterculture hotspot, turned modern music venue.

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

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Avoid gangster interaction while window-shopping.

Skewer up Kangaroo.

The home of the first American-born saint is one of the only curved buildings in New York.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

An aptly-named street near the birthplace of the modern LGBT rights movement.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The first piece of public art dedicated to LGBT rights.

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.

This inn of the court provides a fascinating window into London’s legal and architectural history.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

One of London's oldest houses contains a mixture of both old and modern features.

This secret garden has bloomed into London's most unique hub of urban creativity.

This medieval church tower has maintained its clockworks since the 16th century.

This pub boasts a curious history and may have inspired a Dickens character.

You can still see bits of the camouflage used to hide this Art Deco building from bombers during World War II.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.