Khao San Road stands in stark contrast to the majestic temples and palaces that surround it. The care-free vibe of this busy hub in Bangkok’s Old City (Rattanakosin) makes it a Thai icon for backpackers. The short street is packed with tourists, hawkers, tour operators, bartenders and tattooists. Daytime visits offer pleasant strolls past the shops and food stalls, but expect a sensory overload at night.