One of the city's oldest pubs displays a skull said to belong to the country's last witch burned at the stake.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

The fountain marks the area where hundreds of accused witches were burned at the stake.

These lakeside pictographs were some of the first pieces of prehistoric artwork found in Finland.

Natural cathedral designed by Italian artist Giuliano Mauri.

A medieval fresco which reminds visitors that death will come for us all.

This church, better known for its weeping portrait of the Virgin Mary, also houses the world's oldest existing piece of taxidermy.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This historic train station has been converted to a locomotive themed hotel.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Victorian-era Egyptomania left its mark on this Nashville landmark.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

A roadside music shop featuring a confounding series of folk art installations.

A natural sandstone bridge hidden in the Sewanee forest.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The underground sanctuary of a mysterious ancient cult.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

This curious, round temple is the oldest still-standing marble building in Rome.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

This park offers a variety of sights and activities including trail rides and buffalo sightings.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.