This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A naturally beautiful, seemingly bottomless deep blue spring.

This oddly shaped church resembles a rocket.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A sculpture for the sun and stars, created by Nancy Holt.

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

A small flooded ghost town with a few scattered structures remaining.

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

A replica that won't float away.

Unique house covered in a nightmarish mural of demons, ghosts and monsters.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

Angels, demons, and tortured souls on a giant wall mural in a little church.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.