A fantastic example of Victorian railway engineering with two unusual decorative features.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This Native American settlement dates back to the Pueblo II period.

Built in 1931, this small passageway is believed to be the first modern skyway.

The bizarre headgear looks like it was made for a fool, not a king.

The commemorative stone column conceals a secret laboratory.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This mass grave for victims of a massive hurricane remained hidden until 1991.

A roadway designed for a visiting monarch.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

Actually this "ancient" way of fishing may have started as recently as WW2

Originating in the 16th century this fort is far more than a military structure.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

English parliaments were once convened by this ancient oak tree in the heart of Sherwood Forest.

The much-beloved mascot of a local museum.

This 19th century factory site was the birthplace of one of the British Army's most important materials and is now the home of a craft brewery.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

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

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

One of the town's most famous residents, holding one of his most famous creations.

These planks were originally installed to hold the dead.

These carved, weathered stones once gave mail carriers and pub goers a leg up.

A living time capsule of the 1960s Richardson Bay water-front.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.