Go inside to really appreciate this 500-year-old technological masterpiece.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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

Museum dedicated to the terror regimes of Hungary.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The fairy tale castle of the "fairy-tale king."

A famed drink seasoned with an amputated toe, now on its tenth digit.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

Canada's subterranean Cold War museum has doubled as a movie set.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Few other hotels can rival the grandeur of the Castle in the Rockies.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Decades before the scandal, this staircase on the river was a literal "water gate."

The most accurate timepiece in the world.

The "lovely red Vega" of the legendary record-settling pilot.

A celebrity from the late Cretaceous period.

The oldest continuously operating fish market in the United States.

The national park was once a plantation estate.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Largest Roman Catholic church in North America.