This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The celebrated eyesore created by starry-eyed sweethearts.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A lively annual event in which thousands of people race to push coffins heavy with bodies up a hill.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

This super steep hike ascends 2,000 feet in less than a mile.

Victorian "Fancy Craft" Hair Wreaths and Relics.

This series of Scottish caves has no clear purpose other than baffling historians.

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

Paris' fabled purveyor of exotic taxidermy and natural history curios.