Seoul has a dress code that comes with a discount: turn up at the palace gates in a hanbok and you walk in for free. Rental shops line every street around Gyeongbokgung Station, from simple pastel silks to embroidered royal-style versions, braids and hairpins included. The result is the city's most charming time warp, courtyards full of flowing skirts and silk jackets, a smartphone poking out of every sleeve. Just wear the full outfit, or the ticket office won't play along.

Seoul has a dress code that comes with a discount: turn up at the palace gates in a hanbok and you walk in for free. Rental shops line every street around Gyeongbokgung Station, from simple pastel silks to embroidered royal-style versions, braids and hairpins included. The result is the city's most charming time warp, courtyards full of flowing skirts and silk jackets, a smartphone poking out of every sleeve. Just wear the full outfit, or the ticket office won't play along.

For one night, trade the city for a monastery without ever leaving it: Bongeunsa and Jogyesa both welcome overnight guests. You'll swap your clothes for grey robes, sip tea with a monk, try 108 bows and eat a silent formal meal where every grain must go, the bowl cleaned with a slice of kimchi and the rinse water drunk. The bell rings around 4am for dawn chanting. Nobody said enlightenment came with a lie-in.

Seoul keeps a busy calendar, and every season gets its own light show. Spring paints the banks of the Han pink with cherry blossoms. In May, the Lotus Lantern Festival marks Buddha's birthday with a parade of paper lanterns, ending in a street party where strangers dance in circles. Autumn belongs to the fireworks over Yeouido, and in winter the Seoul Lantern Festival lines Cheonggyecheon with giant light sculptures. Whenever you land, something is probably glowing.

Seoul keeps a busy calendar, and every season gets its own light show. Spring paints the banks of the Han pink with cherry blossoms. In May, the Lotus Lantern Festival marks Buddha's birthday with a parade of paper lanterns, ending in a street party where strangers dance in circles. Autumn belongs to the fireworks over Yeouido, and in winter the Seoul Lantern Festival lines Cheonggyecheon with giant light sculptures. Whenever you land, something is probably glowing.

In a jjimjilbang, nobody looks twice at the person wearing a towel folded into sheep's ears. These 24-hour bathhouses are where Seoul unwinds: naked soaks in gender-separated pools first, then everyone into matching T-shirts and shorts for salt rooms, jade rooms and heated floors where people nap or simply stay the night. Order the ritual snack, sauna-baked eggs with a cold sikhye, and book a Korean body scrub if you're ready to lose a layer of skin.

Half of Lotte World has a roof, which earns it the Guinness record for the world's largest indoor theme park and means a monsoon never cancels your rollercoaster. The other half sits on Seokchon Lake, a fairytale castle on Magic Island with Korea's tallest tower looming behind it. The real dress code, though, is a school uniform: Korean students started wearing theirs here to celebrate the end of exams, and now adults rent one for the day to relive a high school they never attended.

Half of Lotte World has a roof, which earns it the Guinness record for the world's largest indoor theme park and means a monsoon never cancels your rollercoaster. The other half sits on Seokchon Lake, a fairytale castle on Magic Island with Korea's tallest tower looming behind it. The real dress code, though, is a school uniform: Korean students started wearing theirs here to celebrate the end of exams, and now adults rent one for the day to relive a high school they never attended.

Baseball is almost a side detail at Jamsil Baseball Stadium. The real game happens in the stands: every player gets his own chant, cheerleaders lead the crowd like a K-pop concert, and fans of the LG Twins and Doosan Bears, who share the stadium, compete to be the loudest. Tickets are cheap and you're free to bring your own fried chicken and beer, so most people arrive with both. Sit near the cheering section, follow the crowd, and you'll be chanting a stranger's name by the third inning.

Anyone can sign up for a class at 1MILLION, which is technically true and spiritually misleading. This is the Seongsu studio behind the world's biggest Youtube dance channel (26 million subscribers) and choreographers working with K-pop's biggest names. Having never danced before, I showed up in pink to a room full of Koreans in black streetwear who clearly did this every week. The giant mirror made sure everyone watched me lose the routine by the second count of eight. Ten out of ten, would embarrass myself again.

Anyone can sign up for a class at 1MILLION, which is technically true and spiritually misleading. This is the Seongsu studio behind the world's biggest Youtube dance channel (26 million subscribers) and choreographers working with K-pop's biggest names. Having never danced before, I showed up in pink to a room full of Koreans in black streetwear who clearly did this every week. The giant mirror made sure everyone watched me lose the routine by the second count of eight. Ten out of ten, would embarrass myself again.

The rules of a noraebang are simple: rent a private room, grab the tambourine and never let the mic go cold. Seoul's karaoke rooms come with sofas, disco lights and a scoring system that cheers every high note like a stadium crowd, and you'll find one on almost every street, open late. Short on company? Coin noraebang booths charge by the song, so solo sessions are perfectly normal.