The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A rare example of World War I trenches from the British front.

The celebrated eyesore created by starry-eyed sweethearts.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

This temple was constructed entirely by Roman soldiers.

Also known as “Robin Hood’s tree,” it became a famed location along Hadrian's Wall before it was cut down.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

These picturesque ruins crumble beautifully into the ocean.

This purpose-built dinosaur museum is shaped like a pterodactyl and holds fossils that were found in its very village.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Pilgrimage site for star-crossed lovers.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years and harbors many surprises.