Belgrade, where the night starts at midnight and ends on a river barge.

Cliffside fortresses, light pouring into caves and almost no crowds.

Lake Ohrid, one of the oldest lakes in the world.

Baku's skyline, mountains that burn and the Caspian coast.

Waterfalls that fall straight into the sea and villages under the cliffs.

Icebergs the size of buildings and the midnight sun.

Polar bears, glaciers and the northernmost town you can fly to.

Tallinn, a medieval old town that still looks the part.

Riga, with the best Art Nouveau streets in Europe.

Vilnius and its baroque old town, plus the dunes of the Curonian Spit.

The Galápagos, where the animals don't move out of your way.

The Uyuni salt flats in rainy season, when the sky meets the ground.

Montevideo and the beaches of José Ignacio.

Havana and the tobacco fields of Viñales.

Diving the Great Blue Hole.

Samaná and the whales.

Not the Dominican Republic. Rainforest, waterfalls and hot springs on one of the least visited islands in the Caribbean.

Sandboarding down an active volcano and empty surf towns.

Kaieteur Falls, five times taller than Niagara, in the middle of the jungle.

Bora Bora and Moorea from the water.