A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

A fearsome dragon clings to a corner of Munich's city hall.

The patron saint of spinsters grasps a container of dried blood.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

Go inside to really appreciate this 500-year-old technological masterpiece.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

A lover's walk between hilltop towns, decorated with graffiti love notes.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A quaint medieval harbour where Benjamin Franklin landed in 1776.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This ancient theater was once the home of fierce gladiatorial battles.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

This castle has links to Portugal’s founding and struggles for independence.