Pompeii's less famous neighbor is still revealing her secrets.

Museum dedicated to "the man who moved the Earth."

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The largest source of fossilized insects anywhere.

A downtown park built on top of unclaimed graves.

Ming Dynasty necropolis raided during the Cultural Revolution.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

A Gothic cathedral created from volcanic rocks.

The world's largest church atop a political fault line.

Hot springs monkey spa in the middle of Hell's Valley.

The tallest stationary dunes on Earth also happen to sing.

Some of the world's only freshwater seals live in one very special lake in Russia.

Gargantuan home of Russian science.

The tallest hotel in Europe.

The largest known Ancient Egyptian obelisk.

Charnel house at the foot of Mount Sinai.

One of the most spectacular canyons in the world.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

God's Saharan sandbox of wrath.

A pocket of jungle amidst urban expansion in Panama.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.