Five candy-colored villages on the Italian Riviera.

A trove of ridiculously valuable prints and manuscripts under one roof.

The university library shaped like a giant piece of Swiss cheese.

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

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

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

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

Swiss vineyards in a UNESCO heritage site.

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

Hundreds of hidden passageways weave through the old quarters of Lyon.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A church of bones, decorated with 40,000 human skeletons.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A museum dedicated to the history and exploration of both popular music and science fiction.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

An ancient capital city that dates back 3,000 years and harbors many surprises.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Monasteries on rock pillars, once accessible only by frayed ropes.