Cathedral carved out of salt, located a mile below the earth's surface.

Storied crypts fill the most famous cemetery in Colombia.

Nature is leading a successful mutiny on this century-old freighter.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

The grandest stage for the world's foremost masters of invisible instruments.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

An abstract monument to a symphonic composer.

A subterranean house of worship carved right out of the bedrock.

Come for the speed, leave in love with the desert.

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

The largest island on the great salt lake is home to curious creatures and strange stories.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Largest man-made excavation on earth!

Step into the cool deep past and unknown future of who begat who.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Visitors to this library are in for a real-world education in modernist architecture.

A toxic ghost town sitting atop a massive coal fire.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A Beaux-Arts triumph set to become Ford's innovation campus

This attraction was abandoned after the Chernobyl disaster.

This derelict superstructure was a very important warning system for the Soviet military.