The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

Pilgrimage site for star-crossed lovers.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

This historic stone bridge has an entire neighborhood clinging to its sides.

Tiny castle in the middle of the Rhine made you pay to pass.

There has been an astronomical clock on this spot since the 14th century.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Macabre astrological automaton clock dating to the late 1400s.

Largest Roman Catholic church in North America.

Art deco landmark on the outskirts of Washington, D.C.

A historic fort commemorating the United States' naval history.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Historic funicular railway, believed to be the shortest railroad in the world.

Swiss vineyards in a UNESCO heritage site.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.