France's most famous cemetery, with some of its most curious tombs.

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

This historic Victorian hotel has a scandalous history of affairs and murder.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

This castle was once considered as an option for the Royal Family's alternate residence, but you may know it better from the 'X-Men' movie.

One of the most controversial statues in Romania is an emperor with no clothes.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This snug medieval lane is one of the narrowest streets in the world.

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

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Experience what life was like in Ireland during the Viking and medieval ages.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.