Another of King Chulalongkorn's European follies, built in 1878. This is an active Buddhist temple cleverly disguised as a Gothic church, down to the spiky eaves and stained glass windows. Getting there is half the fun, as a basic motorized cable car swings visitors across the river. The cable car station is hidden behind the Bang Pa-In car park, which explains why the temple doesn't get many Western visitors. Free entry but donations welcome. The museum adjacent to the church-cum-temple has an unremarkable collection of Buddhist paraphernalia, but is worth a peek for the exquisite stained glass windows inside, showcasing scenes from Thai myths.
Summer Palace
Bang Pa-In's number one sight. It was built by Ayutthayan King Prasat Thong in 1632 but abandoned after the sack of Ayutthaya in 1767. The site was partially restored by King Mongkut (Rama IV) in the 1850s. The site as it stands today, however, is largely the work of King Chulalongkorn (Rama V). For 17 years from 1872, the grounds were expanded and the more traditional Thai architecture was complemented with buildings in a variety of styles—mainly European but also Chinese. Last restored in 2001, the palace and its immaculate grounds are well worth a visit. The grounds are not too large to be covered on foot, but you can also rent a golf cart to scoot around in for 400 baht for the first hour and 100 baht per hour after that. As at all royal sites, proper dress is required, but you can buy a 100 baht wraparound skirt from the stall in front of the entrance if needed.