The inconspicuous grave of the University of Illinois' first president is just steps from the main quadrangle.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A historic observatory precariously perched at the "Top of Europe."

The second-highest train station in Europe.

Caves famous for the dragon-slaying saint who lived there.

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

This simple apartment may have inspired some of the most important theories in the history of science.

This bunny-eared Moses represents an attempted compromise between two biblical interpretations.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A "haunted" landmark on the coast of Southern California.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A blooming house of worship for the masses.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.