Trash escaped from a landfill to fill beaches with all kinds of treasure.

This atmospheric ruins are truly a sight to behold.

A 12th-century castle featuring a sensory path where partially-sighted visitors can experience regional history through touch and sound.

An intricate network of underground tombs carved into volcanic rock.

According to legend, this structure was inspired by the Tower of Babel and built in a 19th-century industrialist's yard so he could walk his dogs without leaving home.

Associated with the famous wizard, it is said that when this oak tree falls, so will the town.

This is part of the Francke Foundation Museum, a curiosity cabinet filled with different scientific and natural wonders.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

One of the best-preserved medieval streets in Europe.

The site of slaughterhouses that once satisfied Parisians' taste for horse meat is now home to a park and book market.

A seemingly unassuming palace near Budapest hides a stupendously decorated hall.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?

This remarkable prehistoric town is full of watchtowers and houses that have withstood thousands of years.

Where else would you expect to find the gravesite of European royalty than the windswept dunes of rural Northern Michigan?

What was once a communal kitchen now serves heaping portions of hearty German fare.

One of the best examples of the modernist movement in Madrid.

The oldest county library in the United States.

This historic castle is one of the oldest and most impressive in all of Japan.

St. John the Baptist's forearm is housed in this remote 11th-century monastery.

A historical puzzle lies at the origins of this structure.

On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

Once the overnight home of Mary Queen of Scots.

From atop a hill at the center of Cape Town, a cannon has been signalling the time since 1806.

The rock carving that became an internet meme.