Tijuana: what to see and where to eat
Everything below comes from open data and each row says where it came from. We have not been to any of these places and we do not rank them.
Things to see

Mexico–United States border wall
series of border barriers
Getting there Playas Norte - COLEF, about 15 min on foot

Centro Cultural Tijuana
cultural center in Tijuana, Mexico
Getting there Tijuana, about 24 min on foot


Tony Webster from Portland, Oregon, United States / CC BY 2.0
Border Field State Park
state park of California, United States, containing beach and coastal habitat on the Mexico–United States border
Getting there Playas Norte - COLEF, about 14 min on foot

Phil Konstantin (Philkon) / CC BY-SA 3.0
Bullring by the Sea
multiple purpose facility in Tijuana, Mexico
Getting there Playas Norte - COLEF, about 12 min on foot
Initial Point of Boundary Between U.S. and Mexico
international border marker
Getting there Playas Norte - COLEF, about 13 min on foot

RightCowLeftCoast / CC BY-SA 4.0
Friendship Park
park along the United States-Mexico border in San Diego–Tijuana
Getting there Playas Norte - COLEF, about 13 min on foot

North Island Credit Union Amphitheatre
concert venue in Chula Vista, California, United States of America
Getting there State Route 905 and Caliente Avenue, about 38 min on foot

Juan.osunacastro / CC BY-SA 3.0
Cathedral of Our Lady of Guadalupe in Tijuana B,C
Getting there San Ysidro Transit Center, about 22 min on foot

Marvin Rand, HABS photographer / Public domain
St. Matthew's Episcopal Church
church building in National City, United States of America
Getting there 8th Street, about 19 min on foot

Tortilla Wall
border barrier along the Mexico-United States border near San Diego, California
Getting there Playas Norte - COLEF, about 13 min on foot
Places to eat
Aramellia Café
Food: coffee shop, tea, sandwich
BOGESCA Café
Food: cake, coffee shop, sandwich, tea
Baristi
Food: coffee shop
Brewja barra de café
Food: coffee shop
Caffe Sospeso
Food: coffee shop
Caffenio
Food: coffee shop, sandwich, dessert
Café Praga
Food: breakfast, coffee shop, crepe
Denny's
Food: american
Giuseppis
Food: italian pizza
Granate
Food: coffee shop, sandwich, tea
Kura Ramen
Food: japanese, ramen, sushi
La Diferencia
Food: mexican
Lux Coffee Bar & Roasters
Food: coffee shop
Magul
Food: coffee shop, local, sandwich, tea, regional
Mi Chante Restaurante
Food: mexican
Nativo Coffee
Food: breakfast, coffee shop, mexican
Padám
Food: coffee shop, tea, breakfast
Pichino's Coffee
Food: coffee shop
Opening hours and tickets: OpenStreetMap contributors. Each one shows the day a volunteer last wrote it down, so check the official site before you set out.