This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

An obscure waterfall that looks like something out of a fantasy novel.

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

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

A crumbling cathedral condemned by an earthquake.

This Sumatran root bridge took almost 30 years to knit itself together.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

This stone complex marks the urban center of a lost civilization.

A 200-year-old prison that now houses a peculiar crime museum.

The man who is mainly remembered for a chicken dish he had nothing to do with is buried under a large concrete dome.

A complex and beautiful system of rice terraces covers a million acres over the mountains.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.