This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

A modern-day cabinet of curiosities housed in a 300-year-old inn.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The abandoned shell of what would have been the Jordanian royal family's summer palace.

This abandoned Greek island was the last active leper colony in Europe.

This clock is an architectural flourish that stands out as a landmark among a unique Israeli German community.

Thanks to a spelling mistake this bizarre beaver-tiger hybrid became the symbol of a Siberian town.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The final resting place of many of Germany's most famous communists.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

Conspiracy theories and occult legends surround this mysterious natural rock formation.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

Turntable anonymously received orphans, alms, and groceries.

A little sculpture with a large wardrobe.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.