Lurking among the classical architecture, rose gardens, and art of this historic country house—a crocodile in a bathtub.

This Roman quarry once held secret masses and smuggler's contraband and is now home to rare species of bats.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

This lonely memorial marks the supposedly haunted site of a brutal 19th-century murder.

A lavish Victorian mansion wound up inheriting a gruesome reputation that would be its demise.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

This Victorian graveyard in Leeds is a macabre collection of beautiful tombs and memorials.

The grave of the legendary "Bonzo" can often be seen covered in cymbals and drumsticks.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Decaying 18th-century church converted to a single-family home.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

This giant sculpture made of trash is a critique of society's wastefulness.

Elaborate tile work in this railway station tells the story of Portugal.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

After the owner of this Art Nouveau home died, it was turned into a museum displaying a lifetime dedicated to art.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

The world's oldest bookshop still in operation.

Cycle, walk, or run up and down on an old historic railway path.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This eerie sculpture overlooks what was known as the Road of Bones under Joseph Stalin.

A reportedly haunted 14th century church is curiously facing the “wrong direction.”

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.