Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The Boston square dedicated to the dark poet who was born nearby.

A beautiful Victorian-era cemetery, complete with a miniature village.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

Originally built in 1869, this castle is currently part of Felician University's campus.

A World War II-era submarine is stuck in the mud in New Jersey.

Series of storm drains connected to a dark urban legend.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

The only remaining piece of hull of the most decorated US ship of WWII is this giant name plate.

This crumbling little graveyard was saved from the undergrowth by concerned veterans.

The first neighborhood to implement the Garden City model in its suburban planning.