A gregarious Ohio resident has been building his whimsical temple to peace for decades.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

This restaurant offers the original California cuisine.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Inside a beautiful Indian temple is a seemingly magical floating pillar that doesn't touch the ground.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

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

A dark tunnel leads to a striking white crater that seems to be from another planet.

A bright little alley in La Boca is a part of tango history.

This ancient fortress was once the setting for a strange battle won with the help of a lizard.

The oldest residential street in Europe also features an optical illusion.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

An eerie, derelict amusement park in Berlin.

A thick blanket of beautiful pampas grass cloaks this unique Japanese landscape.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.