The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Something's watching you.

This small stone chapel is a hidden gem just outside the University of New Hampshire campus.

This modern medieval weapon of war was built to toss pumpkins.

Restaurant in a 1741 farmhouse that touts the story of its haunting on its menus.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

This micro-nation may be some sort of prank, but its constitution sure seems official.

Folky pharmaceuticals abound in this medicinal reliquary.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

Boats must transform into railroad cars to navigate this Polish canal.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

This antique thermometer honors the creator of the first universal temperature scale.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

Copenhagen's celebrated theme park and gardens.

A narrow strip of land is home to the tallest migrating dunes in Europe.

Hear the quietest sound from across the dome.

The walls of the iconic dome are hollow and have a secret stairway.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.