Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Dine amidst exotic plants at this former royal greenhouse.

The beautiful baroque library of the Hapsburg empire.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

This museum is dedicated solely to this millennia-old handheld cooling device.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This cheese shop also houses a museum devoted to Dutch dairy.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Chester Cathedral is home to a unique painting crafted on a canvas of cobwebs.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Enter the world under the hill at this ancient UK burial chamber.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.