Barcelona

There can be a long wait to get in, but it's worth it, if only to see the extensive collection of portraits by the artist when he was a young man. — Travel + Leisure

An extensive collection of Catalan art, from Modernista sculptures to paintings by Dalí... also has large holdings of European Renaissance paintings. — Condé Nast Traveler

After an illustrious career in Le Corbusier's Paris studio and then as Harvard's dean of architecture, Josep Lluís Sert designed the Joan Miró museum in memory of his lifelong friend. — Concierge

Never mind that it's a cliché: If you see only one sight in Barcelona, head to the Eixample and see Gaudí's resplendent Sagrada Familia. — Concierge

Park Guell is a garden, park, and housing complex that‘s located on the hill of El Carmel in the Gracia district. — Let's Go

An apartment building by Vilaseca is Casa Enric Batlló , completed in 1896 and part of the Comtes de Barcelona hotel. — Lonely Planet

With its wavy, curving stone facade undulating around the corner of the block, is one of Gaudí's most celebrated yet initially reviled designs. — Fodor's

Macba (Museu d'Art Contemporani de Barcelona) has become the city's foremost contemporary art centre, with captivating exhibitions for the serious art lover. — Lonely Planet

Gaudí built this mansion in 1886–89 for textile baron Count Eusebi de Güell Bacigalupi, his main patron and promoter. — Fodor's

This art nouveau gem designed by Lluís Domènech i Montaner has been Barcelona’s preeminent music hall since its founding in 1908. — Afar Magazine

The Liceu is a chocolate-box opera house for the 21st century. — Condé Nast Traveler

A large Gothic basilica dating from the 14C. which houses a great number of chapels. The most noticeable decoration on the façade is the rose window. — Michelin Guide

CaixaBank is Spain’s largest bank, and its foundation, La Caixa, is one of the largest in the world. — goop

The Gothic cloister is one of the city's most tranquil spots. — Travel + Leisure

The Catalan History Museum is located in the Palau del Mar, a huge warehouse dating from the late 19th century. — Frommer's

The ruins of the Barcelona that suffered the seige of 1714 lay buried underneath the cast-iron 19th century Born Market for centuries. — Afar Magazine

The Hospital Sant Pau (as it's more commonly known) is a remarkable work by the architect Domènech i Montaner. — Frommer's

The admission fee also covers the beautiful 1917 'Santa Eulàlia' schooner docked nearby in the Moll de la Fusta, and the Maritime often has some interesting temporary exhibitions. — Time Out

The museum contains the most complete collection of paintings by the artist, and includes works from the famous "serie matérica". — Michelin Guide