Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

A gorgeous example of 13th-century Gothic architecture.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Pilgrimage site for star-crossed lovers.

These elaborate gothic monuments honor Verona's medieval lords.

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

This Swiss cemetery is reserved for people who died in climbing accidents.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

Beirut's thinnest building was the result of feuding brothers.

The home of half the world's population of critically endangered mountain gorillas.

For millennia, explorers were obsessed with discovering the source of the Nile—is this small mountain stream really the answer?

This century-old site established by King Mwezi Gisabo preserves the art of Burundi's ancient drum rituals.

Amidst political unrest, this Roman Catholic Cathedral has helped organize peace talks.

Built by a North Korean team this monument to African dictator Laurent Kabila has a suspiciously Kim Jong Il shaped body.

The tallest building in the Republic of the Congo is a source of pride despite its towering maintenance costs.

A crypt believed by many Congolese to be a center of black magic.

This former wildlife sanctuary is being transformed into an art park.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Visitors to this library are in for a real-world education in modernist architecture.

The remote island home of the overlooked explorer who co-discovered the theory of evolution by natural selection.