This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

Napoleon's childhood home is now open for people to explore the beginnings of France's short general.

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

The largest brick bridge in the world.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

In 1421, a drowning man prayed for his life and promised to build a chapel where he would wash ashore.

Relics from as far back as the 16th century are on display in a city known for its playing card industry.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

This site used to mark the heart of the EU—now it's crowned with a striking glass sculpture and a buried secret underneath.

A 600-year-old elm tree with a built-in seat and thatched roof.

A swath of France so devastated by war it is still forbidden to go there.

Site of one of World War I's most horrific scenes.

One man's stunning attempt at eco-friendly living.

Before the electric telegraph, a chain of stone towers carried messages across France.

A former ironworks that was the first UNESCO industrial site.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

A Roman water tunnel still flows 2,000 years on.

A 12th-century castle featuring a sensory path where partially-sighted visitors can experience regional history through touch and sound.

The "little Sistine Chapel of Luxembourg" is in the smallest village in the tiny country.

This modest monument marks the only point of intersection between longitude and latitude in the Grand Duchy of Luxembourg.

Carved into living stone, a beloved roadside chapel peacefully welcomes the faithful and curious alike.