An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

A sculpture of the beloved author surrounded by characters from his fairy tales.

The site is dedicated to an investigative journalist whose murder triggered a political uproar that changed Slovakia forever.

Often mistaken as a medieval Gothic monument, this unique cornerstone only dates back to the 1980s.

Perhaps the most spectacular grotto along the Algarve coastline.

Visit a secretive crypt before it crumbles to dust.

The ruins of a hermitage constructed during the 12th century.

This trio of reliefs—an ear, a mouth, and a pair of eyes—carved into the walls of flooded quarries is a monument to spying.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

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

This First Nations monument is a peaceful spot with vast views of the Calgary prairie.

Europe's oldest still-operational tea farm also boasts a spectacular view.

Legend has it the lovelorn tears of a princess and a shepherd boy formed the blue and green twin lakes in the Azores archipelago.

A rebuilt Roman city that was once the largest Roman settlement in the region.

Europe's second largest ossuary wasn't discovered until 2001.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

The site of the first battle of World War II.

This abandoned five-star hotel is now a five-star urban exploration destination.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A pixel art killer whale is frozen mid-leap in this Vancouver square.