General Grant National Memorial: The visitor center is open 9 a.m.-5 p.m. Wed.-Sun. Mausoleum hours are 10-11 a.m., noon-1 p.m., 2-3 p.m. and 4-5 p.m. Wed.-Sun; tours subject to staffing availability (122nd St. and Riverside Dr.; 1-212-666-1640; nps.gov/gegr/index.htm).

Theodore Roosevelt Birthplace: Open 9 a.m.-5 p.m. Tue.-Sat.; closed Thanksgiving and Christmas. Admission is free (28 E. 20th St.; 1-212-260-1616; nps.gov/thrb/index.htm).

Trump Tower: Open 8 a.m.-10 p.m. Building eateries include the Trump Grill (1-212-836-3247, open 11:30 a.m.-4 p.m. daily), Trump Cafe (1-212-715-6788, open 8 a.m.-5 p.m.), Trump Bar (1-212-836-3200, open noon-10 p.m.) and Trump's Ice Cream Parlor (open 11 a.m.-5 p.m.). Line lengths and wait times vary; all visitors are subject to screening by the Secret Service (725 5th Ave.; trumptowerny.com).

Roosevelt House: Special exhibits may be viewed 10 a.m.-4 p.m. Mon.-Fri. Tours are available Saturdays at 10 a.m., noon and 2 p.m. Admission is free; $10 suggested donation (47-49 E. 65th St.; 1-212-650-3174; roosevelthouse.hunter.cuny.edu).

Fraunces Tavern: The tavern is still an operating restaurant, open 11:30-2:30 a.m. Mon.-Sat. and 11:30 a.m.-midnight Sun. The tavern is most crowded during lunchtime and on weekends, when reservations are suggested. Walk-ins may be seated at the bar. Museum hours are noon-5 p.m. weekdays; 11 a.m.-5 p.m. Sat.-Sun. (Admission is $7, children $4. Tours are included in price of admission Fri.-Sun.; 54 Pearl St.; museum, 1-212-425-1778; restaurant, 1-212-968-1776; frauncestavernmuseum.org.)

Federal Hall National Memorial: The building is open 9 a.m.-4 p.m. Mon.-Fri. Admission is free (26 Wall St.; 1-212-825-6990; nps.gov/feha).