This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This circular Iranian jail was once a political prison run by the country's secret police.

Though the name might suggest otherwise, this is an American cemetery.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

This comprehensive collection features Native American artifacts dating back centuries.

The largest and most well-preserved petroglyph site in the Verde Valley.

Museum celebrating the achievements of the Soviet space program.

Immortal combat in a Moscow museum.

Moscow's imposing monument to the Space Age.

You'll find rocket launchers, not rollercoasters, at Russia's “military Disneyland.”

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

These abandoned grain silos and tunnels are an urban exploration dream.

A hot dog stand where the heads are just as hot as the dogs.

Cemetery featuring rare glass-fronted columbarium.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Pizza with a side of fine art.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The only Bahá'í house of worship in North America and one of only a handful worldwide.