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

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

A castle built for love, and abandoned due to heartbreak.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Pluto is still considered a planet in Ithaca, New York.

Beneath the city of Lourdes, France is a massive, concrete church.

In the shadow of a former battleground, the resting place for nearly 2,000 soldiers who died in World War I.

A rare example of World War I trenches from the British front.

A moving memorial to the fallen and missing from WWI trenches.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

A breathtaking canyon offers stunning views and frightful pathways through an ecological paradise.

Giant topiary dog once played a role in a terrorist bomb plot.

The door to the museum holds a unique artifact from the Finnish Civil War.

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

This irregularly shaped sea fortress has defended not one but three different sovereign states.

An abstract monument to a symphonic composer.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

A vast Communist-era exhibition space in the Bulgarian capital.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.