Legend says this sacred tree was a gift from goddess Athena.

Where commuters walk through remnants of an ancient Greek necropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

An ancient octagonal weather station named for the eight Greek gods of wind.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

A large circus museum with summer performances.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

A theme park attraction designed to turn your children into LARPers.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

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

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

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

A ruined castle stands atop a hill surrounded by dragon lore.

A memorial to the beloved brown bear that served in the Polish army during World War II.

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

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