An ancient capital city that dates back 3,000 years old and harbors many surprises.

Deadliest lake in the world suffocated over 1,746 people in one night.

Idol made by King Jeroboam for the Israelites.

Balanced on four stone pillars, this historic tower was the site of a tragic political assassination.

Brawny guys rolling around in oil is the oldest regular sporting event besides the Olympics.

An alchemist's "magic door" stands in the middle of a Roman park.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

This Victorian gate contains cryptic inscriptions in Greek, Latin, and Hebrew.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

This impressive scene portrays the elusive forest giraffe of Central Africa.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A recently abandoned psych ward at the end of Sanatorium Road.

Taxidermy and miniatures come together to create this unique museum.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A desperate final message left by a POW on the run serves as a memorial for himself and the 97 that died with him.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

This picturesque round lake is said to be home to the legendary Mokèlé-mbèmbé.

Does this strange mural depict witches battling beneath a penis tree?

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

A strange house built only at night, with rumored mystic inspiration.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

An enchanted arts space which assumes infinite identities.

These strikingly colorful paintings were created by a mysterious Mesoamerican civilization.