A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The European Union’s tallest freestanding structure provides radio and television broadcasting to half of Latvia.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The world's largest reflecting pool is just two centimeters deep.

The glowing blue Nymphaeum of Emperor Tiberius.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

In this breathtaking canyon, crocodiles bask on boulders and glide through the murky waters.

An island graveyard with spectacular views of the Caribbean.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A battle between nature and architecture in the Cambodian jungle.

This holy site either displays a centuries-old cross or a complete fake.

One of the oldest lighthouses in the world, this structure was built more than 800 years ago.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

An unusual manor of stunning beauty, born out of a crippling disease.

A hugely vast Irish landscape of barren rock that stretches for miles.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.