This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

This old-fashioned carhop restaurant gave the world the waffle cone.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Metro station with a claim to rock n' roll fame.

Cold war icon and onetime "hole" in the iron curtain.

Berlin's old airport.

A restaurant and observation deck built in a unique broadcasting antenna.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A fascinating insight into daily life in the Eastern Bloc.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

The most visited, and possibly most controversial, museum in Germany.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

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

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

When it comes to handsignals (and colonialism) rock always beats scissors.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Obscure Freemasons still live in D.C.’s largest private residence.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.