This 17th-century mausoleum is topped with an acoustic marvel.

The etchings on this narrow channel between two islands bear witness to maritime travelers who have passed through since the Middle Ages.

A completely underwater art museum sends a stark message about humans' impact on the environment.

Five candy-colored villages on the Italian Riviera.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

This magnificent blue mosque in Afghanistan is surrounded by thousands of white doves.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

The explorer Captain Cook may have named it White Island, but the Maori call it Te Puia o Whakaari – The Dramatic Volcano.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

This stunning mass of ice spans 121 square miles and is still growing.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

One architect's organic, human-centric design has been fully realized in this alien art house.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.