This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

The oldest stone house in Paris was built by its most famous alchemist.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

An abandoned town is hidden in Great Smoky Mountains National Park.

An emerald-green grotto just a short trip from Austin.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The alley connecting two of country music’s most historic venues has a rich history of its own.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

Dinosaurs invade a suburban Nashville neighborhood.

Victorian-era Egyptomania left its mark on this Nashville landmark.

It may take some time to locate, but it's sure to warm even a heart of stone.

The small cave that housed Tennessee's "first citizen."

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

The corpse bride of Portugal.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

An ancient tomb that still stands in Portugal.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

A 140-year-old castle with underground caves hidden in San Francisco.

A psychedelic labyrinth on the San Francisco bay.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The only theatre in the world constructed specifically for sound movement.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.