Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

The walls of the iconic dome are hollow and have a secret stairway.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The site of the climactic scene from the classic horror film is now a historic landmark.

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

The world's first and only escalator for lazy bicycles and their daunted riders.

The highest bridge in America was built for an almost unnervingly small amount of money.

The world-record holder for the longest bridge stretching continuously over water.

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

An alien church provides much needed silence in the midst of a Finland shopping center.

A subterranean house of worship carved right out of the bedrock.

Odd outsider art installations surround a Gold Rush-era ghost town.

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

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

This massive glowering Lenin head gazes out over eastern Siberia.