This mysterious pyramid is said to be part of a complex web of occult and Freemason symbols.

These 500-year-old frescoes depict the city in its glory days.

The tallest mud-brick structure in the world has been standing since the 1500s.

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

A small shop filled with history, mystery, folklore, and more.

This legendary dive bar boasts a collection of over 1,300 clown figurines.

Drink the 'Blood of Christ' in this Roman Catholic fever dream.

This gem of Moorish architecture is slowly disintegrating along the coast of this charming town.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

A dragon-shaped fountain that is said to dispense healing water—unless you're evil.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

This historic black and white monastery is one of Bulgaria's architectural jewels.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

Artists made this mosque into a marvel of Ottoman baroque architecture.

Depending on the region's rainfall, this church may be partially submerged.

Home to a legend of the supernatural raccoon dog, a rare wooden structure of Edo, and witnesses of the Tokyo bombings.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

Two beautiful Victorian-era parks replete with ornamental waterfalls and lakes.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A spiral staircase twists to the top of this unusual Czech lookout tower.

The strange “kaiju” of Lake Imba that allegedly killed over a dozen men with a single strike of lightning.