Costa Rica's best known combat zone, used during the Battle of Santa Rosa.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A tribute shrine where the Space Invasion street art movement started.

A museum of magic with a Sadist past.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

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

The quiet field that inspired one of the most famous songs of all time.

According to legend, King Arthur killed a beast that dwelled beneath the waters of this Welsh lake.

This tangled English forest looks like something right out of a fairytale.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.