A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

A large collection of steam engines, organs, and fairground attractions.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

A blooming house of worship for the masses.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

130 replicas of world wonders squeezed into just 118 acres of space.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Europe's largest community of crocodiles and alligators.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Walk through a fairytale in Tuscany.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Mountain where Jesus was first tempted by the Devil.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This massive subterranean fissure is known as the "underground Grand Canyon."

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.