There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

An impressive armored bronze effigy marks the tomb of one of the medieval era's greatest warriors.

This historic tall ship traveled 1.5 million miles around the globe, and once did duty as the mythical pirate ship in Peter Pan.

This grounded passenger jet is now a restaurant, complete with rows of seats and “flight attendant” servers.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.

Winter weather reveals a large Italian marble crucifix drowned beneath Lake Michigan.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

This Central New York ghost town was once a prosperous railroad community.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

This lonely bronze walrus celebrates a character in a Lewis Carroll poem.

It may take some time to locate, but it's sure to warm even a heart of stone.

This Arab fortress was once the largest citadel in Western Europe.

This hidden gem is bathed in beautiful natural light.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

This ruined temple's giant Buddha statue bears the scars of the Second Indochina War.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

A lush terraced garden full of thousands of colorful roses and mystical art.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.