A memorial to the murdered Jews of Kaunas.

A narrow strip of land is home to the tallest migrating dunes in Europe.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

Things aren't quite what they seem at this mind-bending museum.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Famously misunderstood wonder of the ancient world

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The world's largest collection of witchcraft regalia.

Banksy gives themself artistic license with this piece of London street art.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The sign at the garden gate reads: "These Plants Can Kill."

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This Paleolithic cave may be the oldest cemetery in North Africa.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

In this desolate valley resides a gorgeous set of rocks sporting a technicolor design.

Hidden behind mountains in Morocco, a remote town hides a thriving surfing community.

The designated Jewish quarter in Fez dates back to the 15th century.

One of the few places to grab a beer in Fez is a former British consulate.