A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Legend says this sacred tree was a gift from goddess Athena.

The celebrated eyesore created by starry-eyed sweethearts.

The video game-themed street art first popped up in the French city.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

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

Hans Christian Andersen for the postmodern world.

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

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Copenhagen's celebrated theme park and gardens.

Gargoyle head that brings good luck.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Cozy basement bar sports an inventory of over 2,000 beers.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

The Andean town where every single building is decorated with a brightly colored frieze.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

This stone complex marks the urban center of a lost civilization.