The unusual stilted beacon is the town's only active lighthouse.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The South African dialect's complex history is immortalized in stone, in one of the world's only monuments dedicated to a language.

Largest cave system in Africa.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

A memorial to the only dog ever officially enlisted in the Royal Navy.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

A 19th-century relic of timekeeping.

It might not be as impossible to reach as its name would imply, but just about.

The world's most remote permanent settlement on an active volcano.

Napoleon’s home in exile, decorated with poisonous wallpaper.

Remote, volcanic island that Darwin, Hooker, and the Royal Navy shaped into a thriving, artificial ecosystem.