A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Art and a pun, all in one.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

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

Hans Christian Andersen for the postmodern world.

A hugely vast Irish landscape of barren rock that stretches for miles.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This abandoned cemetery has a dark past of bodies buried over bodies.

This elaborate towering structure was once famed for its revolutionary height.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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.

Try not to get slimed in Tribeca.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.