The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

An eerie collection of the surviving structures from a past celebration of the future.

Seoul amusement park boasts a Korean-speaking pachyderm.

A Korean village where times stands still.

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

This odd museum/art gallery embraces the physiological, zoological, and ethnographic side of sex.

To enter the lower hall of this temple, you must first walk through a dragon.

This quirky Korean eatery is built to resemble an equally quirky vintage camera.

South Korea's only sex-themed park.

A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.

Secret North Korean passage discovered below the world's most dangerous border.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Tracking the 1,500-year history of Korea's star cabbage.

Plenty of old carney magic still haunts this photogenic amusement park.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.