This once-derelict building is now one of the most beautiful bookstores in the world.

This massive underground salt mine now holds a sci-fi theme park in its depths.

Moss and stone turn this waterfall into an otherworldly liquid veil.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

These 13th century documents come housed in 18th century shelves organized by a 19th century historian.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

Festival of Perpetual Life and Rebirth.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The abandoned military base looks like a post-apocalyptic wasteland.

The massive white mound and accompanying water terraces are a striking geological oddity.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

A Hungarian pharmacy museum with a box full of mummy powder.

A museum in the childhood house of a medical pioneer.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

One of the best collections of wax anatomical models in the world.

This museum is dedicated to the little known ancient Roman history of Vienna.

Cross mysteriously appeared for 36 years.