These red marks, seemingly placed at random, are in fact not.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

One man's fifteen-year diversion lead to a garden of intriguing sculptures.

Limestone grottoes turns everyday objects into stone.

Artist and musician Will Menter creates musical sculptures.

A beautiful and classically designed villa, with an hourly infestation of monsters.

An unusual sand beach in the middle of a forest.

A bike train runs along a disused railway line through the tranquil French countryside.

A small museum of antique transport that's a must-see for bicycle lovers.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

The remains of this ornate chapel now act as a portal to a cramped French cemetery.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.