Remnants of a storybook amusement park hidden behind a strip mall.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A priceless collection of the Nation's cryptologic history.

Jesus' footprints and the first catacombs in the world.

The Pope’s secret escape route.

Theme park featuring miniature replicas of European monuments.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

Paris' linguistic guide to the international language of, yes, love.

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

France's most famous cemetery, with some of its most curious tombs.

Historic medieval fortified city in southwest France.

The remains of an entire Roman city can be explored in this interactive museum.

Go inside to really appreciate this 500-year-old technological masterpiece.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

There has been an astronomical clock on this spot since the 14th century.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Ghosts of France's colonial past.

Caves famous for the dragon-slaying saint who lived there.

A historic observatory precariously perched at the "Top of Europe."

Once the home of a hermetic monk, this cave now houses a small church.

A little sculpture with a large wardrobe.

It houses the remains of a 17th-century version of the Titanic.