Sloth rehabilitation center in the jungle of Costa Rica.

The bears of Bern have been a city highlight for over 500 years.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

This stunning concert hall has become a symbol of Iceland's national recovery.

This tiny museum's sizable collection is jammed into a former underground public toilet.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The oldest surviving botanic garden in the United States.

Yo, Adrian!

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.