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

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

The colonial city's social history is reflected in its fanciful door knockers.

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 caldera of this mini-volcano has been turned into a naturally heated mud bath.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

255 feet of suds, scrubbers, and blow dryers.

Friction between grains of sand cause a curious "singing" sound.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

A former department store turned into a quirky restaurant.

The first permanent memorial to a unique secret weapon of World War II.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

A spiritual vortex among the red rocks in Sedona.

This small, unassuming street is now a canvas for color and creativity.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

The site of a popular piano lounge owned by a former world champion boxer is now a place to rent a truck.

A towering bronze statue memorializes the founding father of postwar American conservatism.

A geological mystery on Camelback Mountain.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.