Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

Ozymandias’ time-keeping temple.

The largest known Ancient Egyptian obelisk.

Breathtaking and huge 430 year old maps of Italy.

2300-year-old Roman road connecting the empire.

Ancient snack bar of the Roman Empire re-opened.

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

The world's most active stratovolcano is almost always erupting.

The earliest known map to show America, discovered by accident at a Paris bookshop.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This is one really big nut.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

At 207 feet, one of the world's longest continuous escalators.

Largest Roman Catholic church in North America.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

A toxic ghost town sitting atop a massive coal fire.

A field of nothing but boulders which resembles a giant's gravel driveway.

In which a local geological marvel becomes a quaint roadside attraction.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.