Otherworldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

An ancient burial ground believed to have been used for ritual sacrifice.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

The world’s only museum dedicated to baked beans.

Volunteer-run library dedicated to exploring five decades of activism history.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The largest hewn stone in history.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

The history and future of cannabis.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.