St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

This man-made mound monument was built out of soil from all across the Polish empire.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Real bones which are said to have belonged to a Polish dragon.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Communist-era residential block is one of the longest residential building in Europe.

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

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

Nearly three tons of weapons from the Vietnam War still remain in this small, hidden museum.

This unique formation is characterized by hexagonal basalt rocks stacked in unique formations.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

A sculpture park that takes the use of clay to a whole new level.

This French colonial post office is arguably the grandest in all of Southeast Asia.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This Vietnamese bar doubles as a multistory labyrinth.

Have fun at the world's first Buddhist waterslide park.