An ancient knight and a symbol of the city's freedom.

Split's smallest church, and one of its oldest, has been reconstructed inside the city's Roman walls.

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

Christ's blood allegedly preserved in a Belgian town.

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

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A skeletal collection of former nautical mainstays.

Natural earth mounds formed in the far north.

A famed drink seasoned with an amputated toe, now on its tenth digit.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The curious underground history of keeping Paris clean.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

An encyclopedic collection of mammal penises.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant