Public water fountains built during the Ottoman Era still stand throughout this seaside town.

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

This 18th-century former mosque held the first Hellenic Parliament.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A giant Troll lurks under one of Seattle's oldest bridges.

This tree has witnessed nearly 1,000 years of history.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

Stroll through a wonderland of stupendous moss-covered trees.

This coffee shop lies hidden beneath a historic church.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

This legendary city has been a tourist attraction for centuries.

The secular incarnation of a religious meditation.

A Byzantine-era church hidden in a wooded area below the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

The ruined doorway is a portal to the building's turbulent and torturous past.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.