A wall of chewing gum moonlights as collective art.

One of only two commuter aerial tramways in the United States.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A mineral spring that became all the rage in 17th-century England.

At this small museum, visitors can view artifacts from the only battlefield in London during the War of the Roses.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Looming communist pillar with a Czech twist.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

A vast and unlikely aviation museum kept alive for over 50 years due to one man's tenacity.

The oldest housing complex in Riga is a mini timeline of architectural trends.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A scattered trail of street art adds a pop of color to the city's stark structures.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Thousands of miniature bronze sculptures have taken over this city square creating a unique art installation.

The design of this beautifully crafted building was inspired by Norwegian glaciers.