An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

This museum dedicated to divination also honors a local 10th-century prophetess.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Nope, not the one in France. The only officially-recognized reproduction of Monet’s garden in Giverny is located in a remote corner of Japan.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A giant lumpy candle serves as a beacon for this highly scented pit stop.

Ornate limestone building now filled with geologic specimens, and more.

If astronomy had a ghost, it would look like this observatory.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A medical facility that has been kept frozen in time.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

Natural mummies hidden in the crypt of a medieval French church.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

The castle where the Marquis de Sade lived out his darkest fantasies.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.