This beautiful, historic church looks like something out of a simpler past.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

A museum marks and documents the site of the Titanic's launch.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

The oldest known university in the world is in Fez, Morocco.

The other side is actually green.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

Vast stretch of tide-pools with a unique Moroccan charm.

Crumbling necropolis set high above Fez.

Traditional 11th-century outdoor tannery.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Mosaics, storks, and brothels—this ancient city has it all.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A restaurant and observation deck built in a unique broadcasting antenna.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This grand hydraulic installation has provided water for townspeople since the Middle Ages.