This one-time health resort was used by aristocrats around the world.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Museum dedicated to the terror regimes of Hungary.

A striking symbol of the Bulgarian capital.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

A battle between nature and architecture in the Cambodian jungle.

A limestone wonderland of water and subterranean secrets.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

A Sri Lankan tea factory's ironic take on the Los Angeles landmark.

Pettah's beautiful floating market was once a stinky canal in a sketchy industrial area.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The tallest statue in the world is twice the height of the Statue of Liberty.

The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.