The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

This remote lake in Siberia supposedly contains a fearsome sea monster.

One of the earliest relics of Italian art is this ornately equipped stone soldier.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

This modern monument to pagan belief looks like it was transported straight from ancient times.

The Uyghur settlement in the middle of a lake continues to raise questions.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The largest coin pyramid in the world is a carefully balanced stack of over 1,000,000 pieces.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."