Every equinox this Maya pyramid puts on a spooky ancient light show.

A natural wonder in south Denmark.

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

An elevator into the Baltic Sea.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

When you're a great Russian Tsar, even your vomit gets a statue.

The celebrated eyesore created by starry-eyed sweethearts.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

When the rain falls, this drain system turns into a musical instrument.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

A colorful architectural gem in Seattle's uniquely modern Central Library.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Legend holds eating just one of these black eggs can add seven years to one's life.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

A 20-meter (65-foot) robot towers over Tokyo Bay.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.