A strangely forgotten claimant to the much contested title of "Source of the Nile."

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

These small, triangular, colorful houses are a staple of Madeira Island.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

Over time, this castle grew to encompass the entire island.

Launch site for nuclear war against Western Europe.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

These Stalin-era industrial 'death traps' hang lifeless above the city

The first skyscraper to include a Ferris wheel built into the facade.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Small church on top of a huge rock column.