Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

An intricately decorated tiny place of worship.

The first island in the world designated a light-pollution-free astronomical observation point.

Once a bustling fishing village and trading post, today these Cape Verde ruins provide a home only for seabirds and turtles.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

These cascading falls resonate throughout the Bulgarian forest.

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

A collection of art from Bulgaria's time as a communist state.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

This historic black and white monastery is one of Bulgaria's architectural jewels.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Play over 120 retro arcade games and pinball machines at this throwback museum.

Fascinating military history, awe-inspiring wildlife encounters, and endless outdoor adventures draw people to this sprawling park.

The first curved wooden bridge in Canada was built as part of the Alaska-Canada Highway.

Home to a legend of the supernatural raccoon dog, a rare wooden structure of Edo, and witnesses of the Tokyo bombings.

The largest hydroelectric project in Laos created this eerie landscape.

Blending modern art with Baroque architecture, this wondrous mosaic grotto serves as the late artist's final creation.