The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

An alien landscape of chalk-rock in the Egyptian desert.

The central mosque of this Mali town is entirely built from mud.

Rocky Atlantic beach home to a stunning stone arch.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Single runway interrupted by a busy road that cuts across its middle.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

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

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

An abstract monument to a symphonic composer.

A wooden replica of France's famous tower.

The Guardian of Tallinn.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

This small Estonian hill is covered in hand-made twig crosses that are said to bring good luck.

Tombstones buried in overgrown grass mark the deceased occupants of this abandoned graveyard.

Wars fought and wars won are remembered by these abandoned bunker ruins.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

Man-made mineral caves house massive bat colony.

A former imperial sea-fortress and Soviet prison.