Portugal's National Pantheon has a history of curses, collapses and financial problems.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The eccentric mansion of one of the most popular horror authors of modern times.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.