This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Former self-sufficient mental institution now a planned community.

A 12-foot sculpture serves as a constant reminder of the importance of protecting and restoring the Boardman River.   

The medieval woodcut-style artwork chronicles life in medieval London.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A student driver's nightmare.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Ship-sized kinetic sculptural fantasy.

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

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

A historic hill of tall tales, with one rather special tree.

Legend has it this gnarled old tree was planted by Tsar Peter the Great during his visit to London.

Largest cave system in Africa.

“The oddest pub in South Africa,” inspired by a practical joke.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

A memorial to the only dog ever officially enlisted in the Royal Navy.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Morocco's Argania trees are infested with nut-hungry goats.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.