Designed as a reminder of one of the darkest moments in Austrian history.

A magnificent collection of imperial armor and weaponry.

The Habsburgs' royal collections of art and wonders.

An ornate private entrance to the Vienna subway built specifically for the emperor.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

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.

One of the youngest whisky distilleries in Scotland may also be the country’s oldest.

This town hosts 170 pieces of public art, including giant irises, flying saucers, and, famously, hippos.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A church of bones, decorated with 40,000 human skeletons.

An enormous and lavish Gothic church in Czechia.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

Mummified monks and the accidentally interred, in a 17th-century crypt.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A metal forest of peas pays tribute to the founding father of genetics.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

Copenhagen's celebrated theme park and gardens.

Once a meeting point for great thinkers, and the midpoint of the country.