An oasis of beauty, tranquility and botanical research in the middle of Rome.

A freedman baker’s lavish tomb has a relief showing various stages of Roman bread making.

According to Greek mythology, this natural spring is the home of a freshwater nymph.

The interior of this church has been turned into a memorial to locals who died in Croatia's Homeland War.

Third time's a charm, or in this case, two testicles are.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

Established hundreds of years ago, Gandan remains the premier Buddhist monastery in Ulaanbaatar.

Two tombstones associated with the much-beloved children's story.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

The most impressive of Basel's three remaining city gates.

A replica of the gaslit streetlamp under which three teenagers founded a football club.

This statue includes the molehill that toppled a king.

Shrapnel scars and bullet holes from the Spanish Civil War can still be seen in this monument to Spanish doctor Federico Rubio.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

One of the best collections of Byzantine art housed in a magnificent, 19th-century neoclassical home.

At almost 1,000 years old, this is the oldest known door in all of Britain.

This little sun pays homage to a massive gate that once stood at this location.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A monument to the civilian victims of the Japanese Occupation forces of World War II.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A plaque on the base of this statue holds a bewitching design.

A totem pole of heads to represent the different stages of life.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.