German-style coffee and cake, just like Oma used to make it.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

These small, triangular, colorful houses are a staple of Madeira Island.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

This once architecturally advanced housing complex is now a haven for squatters that still bears the scars of war.

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

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

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

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

Legend says this sacred tree was a gift from goddess Athena.

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

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

An ancient octagonal weather station named for the eight Greek gods of wind.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

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

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

An early creation by Erich Mendelsohn.

A tribute to the first human in space.

A heavily politicized roundabout discussing the state of a heavily politicized country.