This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

This picturesque ghost town is located on the banks of the Suwannee River.

The so-called "world's shortest river" is actually a window into a cave.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Location of a reliquary containing bone fragments of 18 saints.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

This bell stars in a tragic love tale and is said to make wishes come true.

Modern art commemorates one of the first military actions of World War II.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

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

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

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

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.