The people murdered during a 17th-century Norwegian witch hunt have been honored with a pair of stark, modern installations.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Where monkeys run wild and the humans are caged.

A mysterious castle built as a monument to lost love.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A former major munitions plant that has been converted into a sprawling art space.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

These ancient ruins were the final resting place of King Henry II's mistress.

Famously misunderstood wonder of the ancient world

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

In one of the world's smallest countries, a royal's personal winery is open to the public.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The last bastion of Roman presence north of the Alps looms over a German town.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

This 600-year-old home seems to defy physics.

A small but immensely extravagant palace built by the "Night King."

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A fascinating insight into daily life in the Eastern Bloc.

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