Faces carved into the cliffs create an otherworldly walking trail.

A small chapel celebrating the spiritual bond between dogs and humans.

The unusual patterns in this rock formation result from two distinct modes of weathering.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This castle played host to the largest great hall found in medieval Central Europe.

The only presidential monument to display a late POTUS's actual casket.

The angel of death appears to weep black tears at this grave marker.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Inside features a display of how artistic crucifixes transformed throughout the centuries.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Acres of English cottage gardens, unexpectedly nestled in a Cleveland suburb.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

The largest earthwork effigy in the world.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.