Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

The house where the writer spent his formative years.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

One of Ireland's most infamous prisons for rebels including men, women and children.

A boulder in the Churchyard of Down Cathedral marks the legendary burial place of "The Apostle of Ireland."

A museum marks and documents the site of the Titanic's launch.

A trail of "Game of Thrones"-themed doors carved from fallen trees from the iconic Dark Hedges.

Northern Ireland's Brobdingnagian stepping stones.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.